TRENDnet TEW-637AP/TEW-638APB HTTP Request goahead sub_41DED0 null pointer dereference
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.
Summary
A vulnerability classified as problematic has been found in TRENDnet TEW-637AP and TEW-638APB 1.2.7/1.3.0.106. This affects the function sub_41DED0 of the file /bin/goahead of the component HTTP Request Handler. The manipulation leads to null pointer dereference. Access to the local network is required for this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| TRENDnet | TEW-637AP | 1.2.7; 1.3.0.106 | — | No fix listed | CNA |
| TRENDnet | TEW-638APB | 1.2.7; 1.3.0.106 | — | No fix listed | CNA |
- TEW-637AP VendorTRENDnet Affected 1.2.7; 1.3.0.106 Fixed in — No fix listed CNA
- TEW-638APB VendorTRENDnet Affected 1.2.7; 1.3.0.106 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:trendnet:tew-637ap_firmware:1.2.7:*:*:*:*:*:*:* | 1.2.7 | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:tew-637ap:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
| cpe:2.3:o:trendnet:tew-638apb_firmware:1.3.0.106:*:*:*:*:*:*:* | 1.3.0.106 | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:tew-638apb:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
- cpe:2.3:o:trendnet:tew-637ap_firmware:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:tew-637ap:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
- cpe:2.3:o:trendnet:tew-638apb_firmware:1.3.0.106:*:*:*:*:*:*:* Versions 1.3.0.106 Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:tew-638apb:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-2960
- 2026-10-03 Alias added: GHSA-6839-rv39-32jh
References
Sources
- CVE-2025-2960 · CVE Program
- CVE-2025-2960 · NVD
- FIRST EPSS
- GHSA-6839-rv39-32jh · 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