ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9)…
Priority LOW 35CWE-916Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), do not use a salt when calculating an MD5 password hash, which makes it easier for attackers to crack passwords.
Why it matters now
EPSS 0.0089 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 57
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zyxel:p-663hn-51_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-663hn-51_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-663hn-51:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660h-61_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660h-61_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660h-61:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660h-63_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660h-63_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660h-63:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660h-67_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
- cpe:2.3:o:zyxel:p-663hn-51_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-663hn-51_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-663hn-51:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660h-61_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660h-61_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660h-61:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660h-63_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660h-63_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660h-63:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660h-67_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
Show 47 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zyxel:p-660h-67_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660h-67:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660h-d1_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660h-d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660h-d1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660h-d3_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660h-d3_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660h-d3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660hn-51_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660hn-51_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660hn-51:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660h-t1_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660h-t1_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660h-t1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660hw_d1_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660hw_d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660hw_d1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660hw_d3_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660hw_d3_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660hw_d3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-660hw_t3_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-660hw_t3_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-660hw_t3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-661hnu-f1_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-661hnu-f1_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-661hnu-f1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-661h_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-661h_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-661h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-661hw-d1_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-661hw-d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-661hw-d1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-661hnu-f3_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-661hnu-f3_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-661hnu-f3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-662hw-d3_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-662hw-d3_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-662hw-d3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-662hw-d_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-662hw-d_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-662hw-d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-662hw-d1_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-662hw-d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-662hw-d1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:p-662h-61_firmware:*:*:*:*:*:*:*:* | 3.40\(agd.2\) – 3.40\(ahq.3\) | Vulnerable | Zyxel |
| cpe:2.3:o:zyxel:p-662h-61_firmware:3.40\(pe9\):*:*:*:*:*:*:* | 3.40(pe9) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:p-662h-61:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
- cpe:2.3:o:zyxel:p-660h-67_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660h-67:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660h-d1_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660h-d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660h-d1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660h-d3_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660h-d3_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660h-d3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660hn-51_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660hn-51_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660hn-51:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660h-t1_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660h-t1_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660h-t1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660hw_d1_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660hw_d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660hw_d1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660hw_d3_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660hw_d3_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660hw_d3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-660hw_t3_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-660hw_t3_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-660hw_t3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-661hnu-f1_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-661hnu-f1_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-661hnu-f1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-661h_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-661h_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-661h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-661hw-d1_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-661hw-d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-661hw-d1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-661hnu-f3_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-661hnu-f3_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-661hnu-f3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-662hw-d3_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-662hw-d3_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-662hw-d3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-662hw-d_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-662hw-d_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-662hw-d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-662hw-d1_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-662hw-d1_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-662hw-d1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:p-662h-61_firmware:*:*:*:*:*:*:*:* Versions 3.40\(agd.2\) – 3.40\(ahq.3\) Vulnerable ·Zyxel
- cpe:2.3:o:zyxel:p-662h-61_firmware:3.40\(pe9\):*:*:*:*:*:*:* Versions 3.40(pe9) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:p-662h-61:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-1526
- 2026-10-03 Alias added: GHSA-66rq-9hrq-6rw4
References
Sources
- CVE-2008-1526 · CVE Program
- CVE-2008-1526 · NVD
- FIRST EPSS
- GHSA-66rq-9hrq-6rw4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences