CVE-2022-27255
9.8
CRITICAL · CVSS 3.1 · EPSS 37.1% (pctl 98)
Patch early
EPSS 37.1% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 37.08% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-08-01 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| realtek | ecos msdk |
| realtek | ecos msdk firmware |
| realtek | ecos rsdk |
| realtek | ecos rsdk firmware |
References
→ the Explorer · watch your stack · NVD