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Vulnerabilities

Vulnerability · CVE-2026-7203

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521.

Published Apr 28, 2026 · catalog updated Jul 24, 2026 · A vulnerability was found

Check if you run it

No confirmed exploitation is on record for CVE-2026-7203. EPSS is 3.25%. Act only if a listed version of A vulnerability was found is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A vulnerability was found).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.25%
Remediation
Not established
Affected products
See sources for product scope

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-7203

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-2026-7203. EPSS is 3.25%. Act only if a listed version of A vulnerability was found is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-77: Command Injection; CWE-78: OS Command Injection. EPSS 3.25%. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 28, 2026 · NIST NVD

    Detected

    A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used.

  2. Jul 24, 2026 · NIST NVD

    Updated

    A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used.

Sources

  • CVE.orgVulnerability recordCVE-2026-7203

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-7203

    30-day exploitation probability 3.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-7203

    A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be l

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.