High 7.2Published Apr 27, 2026

CVE-2026-7218Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow

Updated under an hour ago (Oct 26, 2026, 12:10 PM ET)

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It affects Totolink N300RT. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Totolink N300RT

Exploited in the last 30 days

A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

CVSS: 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-120, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Apr 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink N300RT totolink:n300rt_firmware	3.4.0-B20250430	CNA record

References

https://vuldb.com/vuln/359818vdb-entry, technical-description
https://vuldb.com/vuln/359818/ctisignature, permissions-required
https://vuldb.com/submit/802127third-party-advisory
https://github.com/xiaohaiyang-ai/TOTOLINK-N300RT-Buffer-Overflowexploit
https://www.totolink.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.