CVE-2022-4873

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
NetcommNF20R6B025
NetcommNF20MESHR6B025
NetcommNL1902R6B025

References

Timeline

Published
Jan 11, 2023
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2022

CVE-2022-487305.5In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr couCVE-2022-487315.5In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: avoid scanning potential huge holes When using devm_requeCVE-2022-487327.8In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix off by one in BIOS boundary checking Bounds checking CVE-2022-487337.8In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free after failure to create a snapshot At ioctl.CVE-2022-487345.5In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between quota disable and qgroup rescan worker QuoCVE-2022-487357.8In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix UAF of leds class devs at unbinding The LED class devicCVE-2022-487387.1In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Reject out of bounds values in snd_soc_put_volsw() We don'tCVE-2022-487397.1In the Linux kernel, the following vulnerability has been resolved: ASoC: hdmi-codec: Fix OOB memory accesses Correct size of iec_status aCVE-2022-48747.5Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to servCVE-2022-487407.8In the Linux kernel, the following vulnerability has been resolved: selinux: fix double free of cond_list on error paths On error path froCVE-2022-487415.5In the Linux kernel, the following vulnerability has been resolved: ovl: fix NULL pointer dereference in copy up warning This patch is fixCVE-2022-487427.8In the Linux kernel, the following vulnerability has been resolved: rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink() W