CVE-2021-25667

A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE XB-200 (All versions < V4.1), SCALANCE XC-200 (All versions < V4.1), SCALANCE XF-200BA (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XP-200 (All versions < V4.1), SCALANCE XR-300WG (All versions < V4.1), SCALANCE XR500 (All versions < V6.2). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active.

• siemens ruggedcom rm1224 firmware (>= 4.3 < 6.4) • siemens scalance m-800 firmware (>= 4.3 < 6.4) • siemens scalance s615 firmware (>= 4.3 < 6.4) • siemens scalance x300wg firmware (< 4.1) • siemens scalance xm400 firmware (< 6.2) • siemens scalance xr500 firmware (< 6.2) • siemens scalance sc622-2c firmware (<= 2.0) • siemens scalance sc622-2c firmware (>= 2.1 < 2.1.3) • siemens scalance sc632-2c firmware (<= 2.0) • siemens scalance sc632-2c firmware (>= 2.1 < 2.1.3) • siemens scalance sc636-2c firmware (<= 2.0) • siemens scalance sc636-2c firmware (>= 2.1 < 2.1.3) • siemens scalance sc642-2c firmware (<= 2.0) • siemens scalance sc642-2c firmware (>= 2.1 < 2.1.3) • siemens scalance sc646-2c firmware (<= 2.0) • siemens scalance sc646-2c firmware (>= 2.1 < 2.1.3) • siemens scalance xb-200 firmware (< 4.1) • siemens scalance xc-200 firmware (< 4.1) • siemens scalance xf-200ba firmware (< 4.1) • siemens scalance xp-200 firmware (< 4.1)