CVE-2025-4997 H3C R2+ProG HTTP POST Request aspForm SetAPInfoById denial of service
Remote attackers can cause a denial of service on H3C R2+ProG routers by manipulating parameters in HTTP POST requests to the aspForm handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4997?
CVE-2025-4997 is a high-severity denial of service vulnerability in H3C R2+ProG, published on 20 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability, which was classified as problematic, was found in H3C R2+ProG up to 200R004. Affected is the function UpdateWanParams/AddMacList/EditMacList/AddWlanMacList/EditWlanMacList/Edit_BasicSSID/Edit_GuestSSIDFor2P4G/Edit_BasicSSID_5G/SetAPInfoById of the file /goform/aspForm of the component HTTP POST Request Handler. The manipulation of the argument param leads to denial of service. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-404
Which versions are affected by CVE-2025-4997?
How do I fix CVE-2025-4997?
No fix has been published for CVE-2025-4997 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-4997 being exploited?
There is no known exploitation of CVE-2025-4997 in the wild and no public exploit code.
Sources
Also known as GHSA-844h-f426-fxwj.