CVE-2026-62648 Memory corruption in Reyrolle 7SR5
An unauthenticated remote attacker can cause a denial-of-service condition on Siemens Reyrolle 7SR5 devices via an out-of-bounds write in HTTP message processing.
- 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-2026-62648?
CVE-2026-62648 is a high-severity memory corruption vulnerability in Siemens Reyrolle 7SR5, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). The length of the URL component contained in pre-authenticated HTTP messages is not properly validated before appending additional data to it, resulting in an out-of-bounds write condition in memory. This could allow an unauthenticated remote attacker to crash the affected device, causing a reboot and resulting in a denial-of-service condition.
Weakness: CWE-787
Which versions are affected by CVE-2026-62648?
How do I fix CVE-2026-62648?
No fix has been published for CVE-2026-62648 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-62648 being exploited?
There is no known exploitation of CVE-2026-62648 in the wild and no public exploit code.
Sources
Also known as GHSA-fjqr-jx63-659f.