CVE-2022-4873
Last modified
CVE-2022-4873 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 7.17% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Netcommwireless | Nf20 Firmware | < r6b025 |
| Netcommwireless | Nf20mesh Firmware | < r6b025 |
| Netcommwireless | Nl1902 Firmware | < r6b025 |
References
- https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.mdExploit, Third Party Advisory
- https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Scan your code nowSource: NVD / NIST