Cyber Resilience

CVE-2022-27641

High

Published: 29 March 2023

Published
29 March 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0082 74.8th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-27641 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Netgear D7800 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 25.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetUSB module. The issue results from the lack of…

more

proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15806.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

netgear
d7800 firmware
≤ 1.0.1.68
netgear
ex6200 firmware
≤ 1.0.1.90
netgear
ex8000 firmware
≤ 1.0.1.240
netgear
r6220 firmware
≤ 1.1.0.112
netgear
r6230 firmware
≤ 1.1.0.112
netgear
r6400 firmware
≤ 1.0.4.122
netgear
r6700 firmware
≤ 1.0.4.122
netgear
r7000 firmware
≤ 1.0.11.130
netgear
r7800 firmware
≤ 1.0.2.90

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References