CVE-2025-29524 Missing authorization in n/a
Attackers can access sensitive information via an unprotected diagnostic page in DASAN GPON ONU devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-29524?
CVE-2025-29524 is a medium-severity missing authorization vulnerability in n/a, published on 25 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Incorrect access control in the component /cgi-bin/system_diagnostic_main.asp of DASAN GPON ONU H660WM H660WMR210825 allows attackers to access sensitive information.
Weakness: CWE-284
Which versions are affected by CVE-2025-29524?
How do I fix CVE-2025-29524?
No fix has been published for CVE-2025-29524 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-2025-29524 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-29524 exists.
Sources
Also known as GHSA-mprh-vrfr-pp92.