Reyrolle 7SR5 V<2.70 - OOB Write in URL Pre-Auth HTTP Msg (Siemens)
CVE-2026-62648 Published on September 8, 2026
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 Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-62648 has been classified to as a Memory Corruption vulnerability or weakness.
Affected Versions
Siemens Reyrolle 7SR5:- Before V2.70 is affected.