CVE-2026-0641

Name: CVE-2026-0641
Creator: NVD / NIST
Published: 2026-01-06T19:16:07.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 2.36%

Last modified Jun 17, 2026

CVE-2026-0641 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227. This vulnerability affects the function sub_401510 of the file cstecgi.cgi. EPSS estimates a 2.36% chance of exploitation in the next 30 days.

Description

A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227. This vulnerability affects the function sub_401510 of the file cstecgi.cgi. The manipulation of the argument UPLOAD_FILENAME leads to command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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

2.36%

81.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	Wa300 Firmware	5.2cu.7112_b20190227

References

https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.mdExploit, Third Party Advisory
https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#pocExploit, Third Party Advisory
https://vuldb.com/?ctiid.339684Permissions Required, VDB Entry
https://vuldb.com/?id.339684Third Party Advisory, VDB Entry
https://vuldb.com/?submit.732234Third Party Advisory, VDB Entry
https://www.totolink.net/Product

Timeline

Published: Jan 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-0641?

How severe is CVE-2026-0641?

CVE-2026-0641 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 2.36% probability of exploitation in the next 30 days.

How do I fix CVE-2026-0641?

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-2026-0641?

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

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Source: NVD / NIST