Vulnerability · Published Jul 12, 2026 · Assigned by VulDB
CVE-2026-15480Trendnet TEW-635BRM Web Service rc start_httpd stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in TEW-635BRM from Trendnet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Official description
A vulnerability was identified in Trendnet TEW-635BRM up to 1.00.03. This affects the function start_httpd of the file /sbin/rc of the component Web Service. Such manipulation of the argument device_name leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor explains: "We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to switch devices." This vulnerability only affects products that are no longer supported by the maintainer.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Trendnet | TEW-635BRM | 1.00.03 |
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-377787 | Trendnet TEW-635BRM Web Service rc start_httpd stack-based overflow vdb-entry, technical-description
- VDB-377787 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-15480 | CVE Analysis and Report third-party-advisory
- Submit #838236 | TRENDnet TEW-635BRM V1.00.03 Stack-based Buffer Overflow third-party-advisory
- https://github.com/glkfc/IoT-Vulnerability/blob/main/TRENDnet/TRENDnet_TEW635BRM_device_name_BOF_EN.md exploit