CVE-2026-0731

Name: CVE-2026-0731
Creator: NVD / NIST
Published: 2026-01-08T23:15:44.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2026-0731 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

5.5/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.61%

44.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	Wa1200-Poe	All versions
Totolink	Wa1200-Poe Firmware	5.9c.2914

References

https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.mdExploit, Third Party Advisory
https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.md#pocExploit, Third Party Advisory
https://vuldb.com/?ctiid.340128Permissions Required, VDB Entry
https://vuldb.com/?id.340128Third Party Advisory, VDB Entry
https://vuldb.com/?submit.733249Third Party Advisory, VDB Entry
https://www.totolink.net/Product

Timeline

Published: Jan 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-0731?

How severe is CVE-2026-0731?

CVE-2026-0731 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2026-0731?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-0731?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST