CVE-2025-7677 DOS attack possible
Unauthorized local network users can cause a software crash in ABB Aspect via a buffer copy issue, resulting in denial of service.
- 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-2025-7677?
CVE-2025-7677 is a high-severity denial of service vulnerability in ABB Aspect, published on 11 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial-of-service (DoS) attack is possible if access to the local network is provided to unauthorized users. This is due to a buffer copy issue that may lead to a software crash. This issue affects all versions of ASPECT.
Weakness: CWE-120
Which versions are affected by CVE-2025-7677?
How do I fix CVE-2025-7677?
No fix has been published for CVE-2025-7677 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-2025-7677 being exploited?
There is no known exploitation of CVE-2025-7677 in the wild and no public exploit code.
Sources
Also known as GHSA-6x2w-49fq-p52h.