CVE-2026-93740CWE-119CWE-120

CVE-2026-93740

Critical · published September 19, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
58.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
10.0 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
EPSS
0.00884 · 58.8th 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 (7)
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlEncrypt.md · [email protected]https://vuldb.com/cve/CVE-2026-93740 · [email protected]https://vuldb.com/submit/914019 · [email protected]https://vuldb.com/vuln/407550 · [email protected]https://vuldb.com/vuln/407550/cti · [email protected]https://www.totolink.net/ · [email protected]https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlEncrypt.md · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 20 SEP 03:25Z
    EPSS moved — → 1%
    epss
  • 18 SEP 21:45Z
    Totolink A3002MU formWlEncrypt buffer overflow
    cvelistv5