CVE-2026-75976TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow
Updated under an hour ago ()
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It affects TRENDnet TEW-823DRU. Add what you run to find out whether that includes you.
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A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
- CVSS
- 9.9 CRITICAL (v3.1, CNA)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
- Weakness (CWE)
- CWE-121, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TRENDnet TEW-823DRU trendnet:tew-823dru | 1.1.02b01 | CNA record |
References
- https://vuldb.com/vuln/391892vdb-entry, technical-description
- https://vuldb.com/vuln/391892/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-75976third-party-advisory
- https://vuldb.com/submit/877796third-party-advisory
- https://github.com/meishigana/CVE/tree/main/team15_20260702/10_823dru-rc-bofrelated
- https://github.com/meishigana/CVE/blob/main/team15_20260702/10_823dru-rc-bof/poc/poc-rc-overflow.pyexploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.