Buffer overflow in Trendnet Tew-635brm
CVE-2026-15480
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Trendnet Tew-635brm — versions 1.00.03
Weakness classification (CWE)
References
- vuldb.com/vuln/377787 (technical-description, vdb-entry)
- vuldb.com/vuln/377787/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15480 (third-party-advisory)
- vuldb.com/submit/838236 (third-party-advisory)
- github.com/glkfc/IoT-Vulnerability/blob/main/TRENDnet/TRENDnet_TEW635BRM_device… (exploit)
Frequently asked questions
- What is CVE-2026-15480?
- CVE-2026-15480 is a high-severity vulnerability in Trendnet Tew-635brm, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-07-12.
- How severe is CVE-2026-15480?
- High severity. CVSS v3 base score is 8.8 out of 10.