D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without…
Priority MEDIUM 49CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without authentication via the newpass parameter. In the /goform/form2userconfig.cgi handler function, a long password may lead to a stack-based buffer overflow and overwrite a return address.
Why it matters now
EPSS 0.04073 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:d-link:dir-816_a2_firmware:1.10b05:*:*:*:*:*:*:* | 1.10b05 | Vulnerable | D-Link |
| cpe:2.3:h:dlink:dir-816_a2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:d-link:dir-816_a2_firmware:1.10b05:*:*:*:*:*:*:* Versions 1.10b05 Vulnerable ·D-Link
- cpe:2.3:h:dlink:dir-816_a2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20305
- 2026-10-03 Alias added: GHSA-34qv-w885-5qpc
References
More D-Link Dir-816 A2 Firmware vulnerabilities
- TI-2018-07809 Stack-based buffer overflow in the websRedirect function in GoAhead on D-Link DIR-816 A2… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2018-20305 · CVE Program
- CVE-2018-20305 · NVD
- FIRST EPSS
- GHSA-34qv-w885-5qpc · 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