Vulnerability · Published Sep 18, 2026 · Assigned by VulDB
CVE-2026-93740Totolink A3002MU formWlEncrypt buffer overflow
Critical 10.0
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 59% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.9%top 40.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was identified in Totolink A3002MU Hh-B20211125.1046. Affected is the function formWlEncrypt of the file /boafrm/formWlEncrypt. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-407550 | Totolink A3002MU formWlEncrypt buffer overflow vdb-entry, technical-description
- VDB-407550 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-93740 | CVE Analysis and Report third-party-advisory
- Submit #914019 | totolink A3002MU Hh-B20211125.1046 Buffer Overflow third-party-advisory
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlEncrypt.md exploit
- https://www.totolink.net/ product