Incorrect comparison in D-Link Multiple Routers
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of empty passwords. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9471.
Why it matters now
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 |
|---|---|---|---|---|---|
| D-Link | Multiple Routers | 1.10B04 | — | No fix listed | CNA |
- Multiple Routers VendorD-Link Affected 1.10B04 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-878_firmware:*:*:*:*:*:*:*:* | up to 1.20b03 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-878:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-882_firmware:*:*:*:*:*:*:*:* | up to 1.10b04 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-882:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-867_firmware:*:*:*:*:*:*:*:* | up to 1.10b04 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-867:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-878_firmware:*:*:*:*:*:*:*:* Versions up to 1.20b03 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-878:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-882_firmware:*:*:*:*:*:*:*:* Versions up to 1.10b04 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-882:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-867_firmware:*:*:*:*:*:*:*:* Versions up to 1.10b04 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-867:-:*:*:*:*:*:*:* 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-2020-8864
- 2026-10-03 Alias added: GHSA-w7pr-c6mr-6w7j
References
More D-Link vulnerabilities
- TI-2024-03070 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection KEVCVSS 3.1CRITICAL 9.8
- TI-2024-03069 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials KEVCVSS 3.1CRITICAL 9.8
- TI-2024-00708 D-Link DIR-859 HTTP POST Request hedwig.cgi path traversal KEVCVSS 3.1CRITICAL 9.8
- TI-2023-10693 OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to… KEVCVSS 3.1CRITICAL 9.8
- TI-2022-17249 D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable… KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09657 D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE)… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-8864 · CVE Program
- CVE-2020-8864 · NVD
- FIRST EPSS
- GHSA-w7pr-c6mr-6w7j · 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