A security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. (CVE-2026-90606)
A critical buffer overflow vulnerability exists in the Totolink A3002MU Hh-B20211125.1046 device, specifically in the formIpv6Setup function of the boa component. This vulnerability can be exploited remotely by manipulating the static_ipv6 argument, potentially leading to full compromise of confidentiality, integrity, and availability. The vulnerability has a very high CVSS score of 9.9 and public exploit details have been disclosed.
AI Analysis
Technical Summary
CVE-2026-90606 is a buffer overflow vulnerability in the formIpv6Setup function within the /boafrm/formIpv6Setup component of the boa service on Totolink A3002MU Hh-B20211125.1046. The flaw arises from improper handling of the static_ipv6 argument, allowing remote attackers to cause a buffer overflow. This vulnerability has been publicly disclosed and carries a CVSS 3.1 score of 9.9, indicating critical severity with network attack vector, low attack complexity, and no user interaction required. The impact includes complete compromise of confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution or denial of service, resulting in full compromise of the affected device's confidentiality, integrity, and availability. Given the high CVSS score and public disclosure of exploit details, this poses a significant risk to affected systems.
Mitigation Recommendations
No official patch or remediation information is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, it is recommended to restrict network access to the vulnerable service and monitor for suspicious activity related to IPv6 configuration attempts.
A security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. (CVE-2026-90606)
Description
A critical buffer overflow vulnerability exists in the Totolink A3002MU Hh-B20211125.1046 device, specifically in the formIpv6Setup function of the boa component. This vulnerability can be exploited remotely by manipulating the static_ipv6 argument, potentially leading to full compromise of confidentiality, integrity, and availability. The vulnerability has a very high CVSS score of 9.9 and public exploit details have been disclosed.
CVSS v3.1
Score 9.9critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-90606 is a buffer overflow vulnerability in the formIpv6Setup function within the /boafrm/formIpv6Setup component of the boa service on Totolink A3002MU Hh-B20211125.1046. The flaw arises from improper handling of the static_ipv6 argument, allowing remote attackers to cause a buffer overflow. This vulnerability has been publicly disclosed and carries a CVSS 3.1 score of 9.9, indicating critical severity with network attack vector, low attack complexity, and no user interaction required. The impact includes complete compromise of confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution or denial of service, resulting in full compromise of the affected device's confidentiality, integrity, and availability. Given the high CVSS score and public disclosure of exploit details, this poses a significant risk to affected systems.
Mitigation Recommendations
No official patch or remediation information is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, it is recommended to restrict network access to the vulnerable service and monitor for suspicious activity related to IPv6 configuration attempts.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-gxv2-393q-4j5x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-90606"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa74f9b55bf5e2cf5591b25
Added to database: 09/14/2026, 01:36:27 UTC
Last enriched: 09/14/2026, 01:46:27 UTC
Last updated: 09/14/2026, 04:01:22 UTC
Views: 8
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