CVEvulnerability
CVE-2022-27255
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-08-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-20
Description
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 configurations
• realtek ecos rsdk firmware 1.5.7p1
• realtek ecos msdk firmware 4.9.4p1
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://forum.defcon.org/node/241835 Third Party Advisory
- https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf Vendor Advisory
- https://forum.defcon.org/node/241835 Third Party Advisory
- https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf Vendor Advisory