Is CVE-2026-26736 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-26736, but active exploitation has not been confirmed.

Can CVE-2026-26736 be exploited remotely?

Yes. CVE-2026-26736 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-26736?

CVE-2026-26736 has a CVSS score of 8.8 (HIGH) and an EPSS exploitation probability of 0.13%.

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HIGHPOC

CVE-2026-26736

Published: February 17, 2026· Updated: Feb 20, 2026

8.8

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:4.5th

Official Description

TOTOLINK A3002RU_V3 V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the static_ipv6 parameter in the formIpv6Setup function.

NVD Source

Technical Analysis

CVE-2026-26736 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2026-26736. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.