CVE-2025-28019

Name: CVE-2025-28019
Creator: NVD / NIST
Published: 2025-04-23T17:16:52.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2025-28019 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi component. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS Probability

0.41%

32.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Totolink	A800r Firmware	4.1.2cu.5137_b20200730

References

https://locrian-lightning-dc7.notion.site/BufferOverflow1-1948e5e2b1a280ad96efca529ecae658Exploit, Third Party Advisory
https://locrian-lightning-dc7.notion.site/CVE-2025-28019-BufferOverflow1-1948e5e2b1a280ad96efca529ecae658Exploit, Third Party Advisory

Timeline

Published: Apr 23, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-28019?

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

How severe is CVE-2025-28019?

CVE-2025-28019 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2025-28019?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-28019?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST