CVE-2026-93740

critical · 9.3

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.

9.3

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-09-18

Published

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-119CWE-120

References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlEncrypt.md
https://vuldb.com/cve/CVE-2026-93740
https://vuldb.com/submit/914019
https://vuldb.com/vuln/407550
https://vuldb.com/vuln/407550/cti
https://www.totolink.net/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-93740