Vulnerability details
CVE-2026-109157
Trendnet TEW-432BRP
TRENDnet TEW-432BRP formTcpipSetup stack-based overflow
CVSS 4.0
9.4Critical
Official description
A vulnerability was found in TRENDnet TEW-432BRP 3.10B20. Affected by this vulnerability is the function formTcpipSetup of the file /goform/formTcpipSetup. Performing a manipulation of the argument Name results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor confirms: "As this router was EOL'd in 2011, we have no way of testing if such vulnerability exists. We will notify our customers of a potential vulnerability on this product." This vulnerability only affects products that are no longer supported by the maintainer.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.4Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 9.9Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 9.9Critical | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 9.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Trendnet | TEW-432BRP | 3.10B20 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://vuldb.com/vuln/416890 vdb-entrytechnical-description
- https://vuldb.com/vuln/416890/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-109157 third-party-advisory
- https://vuldb.com/submit/979590 third-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/TRENDnet/vuln_21/21.md exploit
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Details
- Published
- 2026-10-13
- Last updated
- 2026-10-14
- State
- Published
- Assigner (CNA)
- VulDB
- Kolun priority
- 36 · Medium
Exploit prediction (EPSS)
0.59%
Probability of exploitation in 30 days
48.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-121Stack-based Buffer Overflow
- CWE-119Memory Corruption