Medium 5.3Published Jan 8, 2026

CVE-2026-0731TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference

Updated under an hour ago (Oct 26, 2026, 4:30 AM ET)

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It affects TOTOLINK WA1200 and 2 other products. 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 WA1200

Exploited in the last 30 days

A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:W/RC:R
Weakness (CWE): CWE-476, CWE-404
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: Analyzed
Record last updated: Feb 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TOTOLINK WA1200 totolink:wa1200 (from the name)	5.9c.2914	CNA record
totolink wa1200-poe totolink:wa1200-poe	all versions	NVD
totolink wa1200-poe_firmware totolink:wa1200-poe_firmware	5.9c.2914	NVD

References

https://vuldb.com/?id.340128vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.340128signature, permissions-required, vdb-entry
https://vuldb.com/?submit.733249third-party-advisory, vdb-entry
https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.mdrelated, exploit, third-party-advisory
https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.md#pocexploit, third-party-advisory
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.