What’s Vulnerable › Vulnerabilities

CVE-2026-90606: Totolink A3002MU boa formIpv6Setup buffer overflow

• Severity: critical (CVSS 9.9 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: 2026-09-14 · updated 2026-09-15
• Weakness: CWE-119

Description

A security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. This issue affects the function formIpv6Setup of the file /boafrm/formIpv6Setup of the component boa. The manipulation of the argument static_ipv6 leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Totolink A3002MU: Hh-B20211125.1046

References

• https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formIpv6Setup.md
• https://vuldb.com/cve/CVE-2026-90606
• https://vuldb.com/submit/914010
• https://vuldb.com/vuln/403188
• https://vuldb.com/vuln/403188/cti
• https://www.totolink.net/

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