What’s Vulnerable › Vulnerabilities

CVE-2026-93740: Totolink A3002MU formWlEncrypt buffer overflow

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-18 · updated 2026-09-21
• Weakness: CWE-119

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

• Totolink A3002MU: Hh-B20211125.1046

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/
• https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlEncrypt.md

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