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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00117.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

Configuration 1 [-]

AND
cpe:2.3:o:totolink:a3002ru_firmware:2.1.1-b20211108.1455:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a3002ru-v2:-:*:*:*:*:*:*:*

No data.

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Vendors Products
Totolink Subscribe
A3002ru Subscribe

Project Subscriptions

Vendors Products
Totolink Subscribe
A3002ru Subscribe
A3002ru-v2 Subscribe
A3002ru Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/0xmania/cve/tree/main/TOTOLINK-A3002RU-boa-formDnsv6-StackOverflow cve-icon cve-icon
History

Fri, 20 Feb 2026 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink a3002ru-v2
Totolink a3002ru Firmware
Weaknesses CWE-787
CPEs cpe:2.3:h:totolink:a3002ru-v2:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a3002ru_firmware:2.1.1-b20211108.1455:*:*:*:*:*:*:*
Vendors & Products Totolink a3002ru-v2
Totolink a3002ru Firmware
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Wed, 18 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink a3002ru
Vendors & Products Totolink
Totolink a3002ru

Tue, 17 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-17T18:42:50.092Z

Reserved: 2026-02-16T00:00:00.000Z

Link: CVE-2026-26731

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-02-17T19:21:57.383

Modified: 2026-02-20T13:41:08.857

Link: CVE-2026-26731

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-18T10:44:13Z

Weaknesses