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Vulnerabilities

Vulnerability · CVE-2026-0641

A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227.

Published Jan 6, 2026 · catalog updated Oct 26, 2026 · Totolink WA300

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-0641. EPSS is 2.65%. Act only if a listed version of Totolink WA300 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.65%
Remediation
Advisory link
Affected products
cpe totolink/wa300 firmware · vendor Totolink WA300 5.2cu.7112_B20190227

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe totolink/wa300 firmware5.2cu.7112_b20190227
  • vendor Totolink WA300 5.2cu.7112_B201902275.2cu.7112_B20190227

How to fix CVE-2026-0641

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-0641. EPSS is 2.65%. Act only if a listed version of Totolink WA300 is installed.

Which versions are affected?

Compare what you have installed with totolink/wa300 firmware 5.2cu.7112_b20190227; Totolink WA300 5.2cu.7112_B20190227 5.2cu.7112_B20190227. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-74: Injection; CWE-77: Command Injection. EPSS 2.65%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 6, 2026 · NIST NVD

    Detected

    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.

  2. Oct 26, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-0641

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2026-0958

    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 ex

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2026-0641

    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 ex

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 30, 2026
  • CVE.orgOct 27, 2026
  • NIST NVDOct 27, 2026