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Vulnerabilities

Vulnerability · CVE-2025-9533

A vulnerability has been found in TOTOLINK T10 4.1.8cu.5241_B20210927.

Published Aug 27, 2025 · catalog updated Aug 27, 2025 · Totolink T10

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

Check this week

CVE-2025-9533 is not in CISA KEV. FIRST estimates a 12.21% chance of exploitation in the next 30 days. Check whether you run Totolink T10.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
12.21%
Remediation
Vendor / distro source
Affected products
vendor Totolink T10 4.1.8cu.5241_B20210927

A vulnerability has been found in TOTOLINK T10 4.1.8cu.5241_B20210927. Affected is an unknown function of the file /formLoginAuth.htm. The manipulation of the argument authCode with the input 1 leads to improper authentication. The attack can be initiated remotely. The exploit has been disclosed to the public 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.

  • vendor Totolink T10 4.1.8cu.5241_B202109274.1.8cu.5241_B20210927

How to fix CVE-2025-9533

What to do

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

Should you patch?

CVE-2025-9533 is not in CISA KEV. FIRST estimates a 12.21% chance of exploitation in the next 30 days. Check whether you run Totolink T10.

Which versions are affected?

Compare what you have installed with Totolink T10 4.1.8cu.5241_B20210927 4.1.8cu.5241_B20210927. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 12.21%. 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. Aug 27, 2025 · EUVD

    Detected

    A vulnerability has been found in TOTOLINK T10 4.1.8cu.5241_B20210927. Affected is an unknown function of the file /formLoginAuth.htm. The manipulation of the argument authCode with the input 1 leads to improper authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

  2. Aug 27, 2025 · EUVD

    Updated

    A vulnerability has been found in TOTOLINK T10 4.1.8cu.5241_B20210927. Affected is an unknown function of the file /formLoginAuth.htm. The manipulation of the argument authCode with the input 1 leads to improper authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Sources

  • CVE.orgVulnerability recordCVE-2025-9533

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-9533

    30-day exploitation probability 12.21%

    first.org
  • EUVDVulnerability recordEUVD-2025-25902

    A vulnerability has been found in TOTOLINK T10 4.1.8cu.5241_B20210927. Affected is an unknown function of the file /formLoginAuth.htm. The manipulation of the argument authCode with the input 1 leads to improper authentication. The attack can be initiated remotely. The exploit ha

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 30, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026