What’s Vulnerable › Vulnerabilities

CVE-2025-28020

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-04-23 · updated 2026-06-17
• Weakness: CWE-120

Description

TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in downloadFile.cgi through the v25 parameter.

Affected products

• TOTOLINK A800R Firmware: 4.1.2cu.5137_b20200730

References

• https://locrian-lightning-dc7.notion.site/BufferOverflow3-1948e5e2b1a280c28ef5c6e54b49324d?pvs=73
• https://locrian-lightning-dc7.notion.site/CVE-2025-28020-BufferOverflow3-1948e5e2b1a280c28ef5c6e54b49324d

Get alerted when CVE-2025-28020 or the next vulnerability affects your stack