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Vulnerabilities

Vulnerability · CVE-2025-28136

TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi.

Published Apr 15, 2025 · catalog updated Apr 15, 2025 · TOTOLINK A800R V4.1.2cu.5137_B20200730 was

Check this week

CVE-2025-28136 is not in CISA KEV. FIRST estimates a 31.00% chance of exploitation in the next 30 days. Check whether you run TOTOLINK A800R V4.1.2cu.5137_B20200730 was.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (TOTOLINK A800R V4.1.2cu.5137_B20200730 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
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
31.00%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi.

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-2025-28136

What to do

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

Should you patch?

CVE-2025-28136 is not in CISA KEV. FIRST estimates a 31.00% chance of exploitation in the next 30 days. Check whether you run TOTOLINK A800R V4.1.2cu.5137_B20200730 was.

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 31.00%. 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 15, 2025 · EUVD

    Detected

    TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi.

  2. Apr 15, 2025 · EUVD

    Updated

    TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi.

Sources

  • CVE.orgVulnerability recordCVE-2025-28136

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-10968

    TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi.

    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.