Vulnerability · CVE-2025-28019
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi component
Published Apr 23, 2025 · catalog updated Apr 24, 2025 · TOTOLINK A800R V4.1.2cu.5137_B20200730 was
Check this week
CVE-2025-28019 is not in CISA KEV. FIRST estimates a 49.00% 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
- High7.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 49.00%
- 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 component
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-2025-28019
Recommended remediation
A vendor or distribution source is linked. Check that advisory for patch availability; this catalog does not invent fix status.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-28019 is not in CISA KEV. FIRST estimates a 49.00% 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 49.00%. 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.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 23, 2025 · EUVD
Detected
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi component
Apr 24, 2025 · EUVD
Updated
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi component
Sources
- CVE.orgVulnerability recordCVE-2025-28019
Official CVE identifier
cve.org - EUVDVulnerability recordEUVD-2025-12092
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi component
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.