CVE-2025-4043 Milesight UG65-868M-EA Improper Access Control for Volatile Memory Containing Boot Code
An admin user can write to the boot script, enabling persistent code execution on the Milesight UG65-868M-EA gateway.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4043?
CVE-2025-4043 is a medium-severity missing authorization vulnerability in Milesight UG65-868M-EA, published on 7 May 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An admin user can gain unauthorized write access to the /etc/rc.local file on the device, which is executed on a system boot.
Weakness: CWE-1274
Which versions are affected by CVE-2025-4043?
It affects 1 product.
Products include Milesight Ug65-868m-Ea Firmware.
How do I fix CVE-2025-4043?
No fix has been published for CVE-2025-4043 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-4043 being exploited?
There is no known exploitation of CVE-2025-4043 in the wild and no public exploit code.
Sources
Also known as GHSA-8242-q5jq-p64w.