CVE-2026-93739CWE-119CWE-120

CVE-2026-93739

Critical · published September 19, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
57.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · 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
EPSS
0.00854 · 57.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-09-19T02:17Z
References (6)
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlAc.md · [email protected]https://vuldb.com/cve/CVE-2026-93739 · [email protected]https://vuldb.com/submit/914018 · [email protected]https://vuldb.com/vuln/407549 · [email protected]https://vuldb.com/vuln/407549/cti · [email protected]https://www.totolink.net/ · [email protected]
EPSS history
Timeline
  • 20 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 18 SEP 21:15Z
    Totolink A3002MU formWlAc buffer overflow
    cvelistv5