CVE-2025-28039

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-04-22 · updated 2026-06-17
Weakness: CWE-78

Description

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.

Affected products

TOTOLINK EX1200T: 4.1.2cu.5232_b20210713

References

https://locrian-lightning-dc7.notion.site/RCE2-1ad8e5e2b1a280fbb0cacc7e758e7299
https://locrian-lightning-dc7.notion.site/RCE2-1ad8e5e2b1a280fbb0cacc7e758e7299

Get alerted when CVE-2025-28039 or the next vulnerability affects your stack