CVE-2022-4873
9.8
CRITICAL · CVSS 3.1 · EPSS 7.2% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.
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 | 7.17% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-01-11 |
| Last modified | 2026-06-17 |
Affected (6)
| Vendor | Product |
|---|---|
| netcommwireless | nf20 |
| netcommwireless | nf20 firmware |
| netcommwireless | nf20mesh |
| netcommwireless | nf20mesh firmware |
| netcommwireless | nl1902 |
| netcommwireless | nl1902 firmware |
References
→ the Explorer · watch your stack · NVD