CVE-2022-27255: Realtek Ecos Msdk Firmware
Critical severity, CVSS 9.8. EPSS: 37.1% chance of exploitation in the next 30 days.
In Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1, the SIP ALG function that rewrites SDP data has a stack-based buffer overflow. This allows an attacker to remotely execute code without authentication via a crafted SIP packet that contains malicious SDP data.
Affected products
Published 2022-08-01. Last modified 2026-06-17.