D-Link DIR routers contain a stack-based buffer overflow in the HNAP Login action
Priority HIGH 82CWE-121Published · 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-121 and the CVSS impact.
Summary
Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers. The vulnerable XML fields within the SOAP body are: Action, Username, LoginPassword, and Captcha. The following products are affected: DIR-823, DIR-822, DIR-818L(W), DIR-895L, DIR-890L, DIR-885L, DIR-880L, DIR-868L, and DIR-850L.
Why it matters now
EPSS 0.79735 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and 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 |
|---|---|---|---|---|---|
| D-Link | DIR-823 | — | — | No fix listed | CNA |
| D-Link | DIR-822 | — | — | No fix listed | CNA |
| D-Link | DIR-818L(W) | — | — | No fix listed | CNA |
| D-Link | DIR-895L | — | — | No fix listed | CNA |
| D-Link | DIR-890L | — | — | No fix listed | CNA |
| D-Link | DIR-885L | — | — | No fix listed | CNA |
| D-Link | DIR-880L | — | — | No fix listed | CNA |
| D-Link | DIR-868L | — | — | No fix listed | CNA |
| D-Link | DIR-850L | — | — | No fix listed | CNA |
- DIR-823 VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-822 VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-818L(W) VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-895L VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-890L VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-885L VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-880L VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-868L VendorD-Link Affected — Fixed in — No fix listed CNA
- DIR-850L VendorD-Link Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-823_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-823:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-822_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-822:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-818l\(w\)_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-818l\(w\):-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-895l_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-895l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-890l_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-890l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-823_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-823:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-822_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-822:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-818l\(w\)_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-818l\(w\):-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-895l_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-895l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-890l_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-890l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-885l_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-885l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-880l_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-880l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-868l_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-868l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-850l_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-850l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-885l_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-885l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-880l_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-880l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-868l_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-868l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-850l_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-850l:-:*:*:*:*:*:*:* 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-2016-6563
- 2026-10-03 Alias added: GHSA-2237-8cw9-xj7q
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-2016-6563 · CVE Program
- CVE-2016-6563 · NVD
- FIRST EPSS
- GHSA-2237-8cw9-xj7q · 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