A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G…
Priority MEDIUM 53CWE-78Published · 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.
Why it matters now
EPSS 0.08649 95th 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:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:* | 1.0.2b05 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-823g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:* Versions 1.0.2b05 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-823g:-:*:*:*:*:*:*:* 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-2020-25367
- 2026-10-03 Alias added: GHSA-896v-rq93-x779
- 2026-10-11 EPSS moved to the 95th–99th percentile
References
More D-Link Japan K.K. Dir-823g Firmware vulnerabilities
- TI-2023-23153 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
- TI-2023-23147 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
- TI-2023-13961 D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings. CVSS 3.1CRITICAL 9.8
- TI-2023-11745 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8
- TI-2023-11743 An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows… CVSS 3.1CRITICAL 9.8
- TI-2023-11742 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-25367 · CVE Program
- CVE-2020-25367 · NVD
- FIRST EPSS
- GHSA-896v-rq93-x779 · 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