Vulnerability · Published Sep 18, 2026 · Assigned by VulDB
CVE-2026-93739Totolink A3002MU formWlAc buffer overflow
Critical 9.9
In plain English
A critical-severity buffer overflow in A3002MU from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.9%top 41.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This impacts the function formWlAc of the file /boafrm/formWlAc. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: 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
References
- VDB-407549 | Totolink A3002MU formWlAc buffer overflow vdb-entry, technical-description
- VDB-407549 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-93739 | CVE Analysis and Report third-party-advisory
- Submit #914018 | totolink A3002MU Hh-B20211125.1046 Buffer Overflow third-party-advisory
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlAc.md exploit
- https://www.totolink.net/ product