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HIGH

CVE-2026-26731

CVSS v3

8.8

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.

Technical details

Published
2026-02-17
Last Modified
2026-03-16

Frequently asked questions

What is CVE-2026-26731?

TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.

Is CVE-2026-26731 actively exploited?

Active exploitation of CVE-2026-26731 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-26731?

CVE-2026-26731 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-26731 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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