D-Link DIR-842 fw_revA_1-02_eu_multi_20151008 was discovered to contain multiple buffer…
Priority MEDIUM 52CWE-120Published · 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-120 and the CVSS impact.
Summary
D-Link DIR-842 fw_revA_1-02_eu_multi_20151008 was discovered to contain multiple buffer overflows in the fgets function via the acStack_120 and acStack_220 parameters.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01399 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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-842_firmware:1.05b02:*:*:*:*:*:*:* | 1.05b02 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-842:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-842_firmware:1.05b02:*:*:*:*:*:*:* Versions 1.05b02 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-842:-:*:*:*:*:*:*:* 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-2023-39666
- 2026-10-03 Alias added: GHSA-8wv2-9v5c-9g5q
References
More D-Link Japan K.K. Dir-842 Firmware vulnerabilities
- TI-2024-00658 D-Link Good Line Router v2 HTTP GET Request devinfo information disclosure CVSS 3.1MEDIUM 5.3
- TI-2020-07195 A stack-based buffer overflow was found on the D-Link DIR-842 REVC with firmware v3.13B09… CVSS 3.1CRITICAL 9.8
- TI-2020-12307 This vulnerability allows network-adjacent attackers to bypass authentication on affected… CVSS 3.1HIGH 8.8
Sources
- CVE-2023-39666 · CVE Program
- CVE-2023-39666 · NVD
- FIRST EPSS
- GHSA-8wv2-9v5c-9g5q · 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