Vulnerabilities

Vulnerability · CVE-2025-28039

TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

Published Apr 22, 2025 · catalog updated Apr 22, 2025 · TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was

Check if you run it

No confirmed exploitation is on record for CVE-2025-28039. EPSS is 1.20%. Act only if a listed version of TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was).
  • 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
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.20%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

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 n/a n/a n/an/a

How to fix CVE-2025-28039

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-2025-28039. EPSS is 1.20%. Act only if a listed version of TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was is installed.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.20%. 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. Apr 22, 2025 · EUVD

    Detected

    TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

  2. Apr 22, 2025 · EUVD

    Updated

    TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

Sources

  • CVE.orgVulnerability recordCVE-2025-28039

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-12270

    TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

    euvd.enisa.europa.eu

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.