CVE & CISA-KEV Catalog

CVE-2022-27642

HIGH
8.8
CVSS v3
NVD

Description

This vulnerability allows network-adjacent attackers to bypass authentication 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 httpd service. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-15854.

CWE-863Incorrect Authorization

How to fix

Remediation Available
cax80 firmwareNVD
Affected:< 2.1.3.7Fixed in:2.1.3.7CVE-2022-27642derived from NVD
lax20 firmwareNVD
Affected:< 1.1.6.34Fixed in:1.1.6.34CVE-2022-27642derived from NVD
mr60 firmwareNVD
Affected:< 1.1.6.124Fixed in:1.1.6.124CVE-2022-27642derived from NVD
mr80 firmwareNVD
Affected:< 1.1.6.14Fixed in:1.1.6.14CVE-2022-27642derived from NVD
ms60 firmwareNVD
Affected:< 1.1.6.124Fixed in:1.1.6.124CVE-2022-27642derived from NVD
ms80 firmwareNVD
Affected:< 1.1.6.14Fixed in:1.1.6.14CVE-2022-27642derived from NVD
r6400 firmwareNVD
Affected:< 1.0.4.126Fixed in:1.0.4.126CVE-2022-27642derived from NVD
r6700 firmwareNVD
Affected:< 1.0.4.126Fixed in:1.0.4.126CVE-2022-27642derived from NVD
r6900p firmwareNVD
Affected:< 1.3.3.148Fixed in:1.3.3.148CVE-2022-27642derived from NVD
r7000 firmwareNVD
Affected:< 1.0.11.134Fixed in:1.0.11.134CVE-2022-27642derived from NVD
r7000p firmwareNVD
Affected:< 1.3.3.148Fixed in:1.3.3.148CVE-2022-27642derived from NVD
r7100lg firmwareNVD
Affected:< 1.0.0.76Fixed in:1.0.0.76CVE-2022-27642derived from NVD
r7850 firmwareNVD
Affected:< 1.0.5.84Fixed in:1.0.5.84CVE-2022-27642derived from NVD
r7900p firmwareNVD
Affected:< 1.4.3.88Fixed in:1.4.3.88CVE-2022-27642derived from NVD
r7960p firmwareNVD
Affected:< 1.4.3.88Fixed in:1.4.3.88CVE-2022-27642derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.84Fixed in:1.0.4.84CVE-2022-27642derived from NVD
r8000p firmwareNVD
Affected:< 1.4.3.88Fixed in:1.4.3.88CVE-2022-27642derived from NVD
r8500 firmwareNVD
Affected:< 1.0.2.158Fixed in:1.0.2.158CVE-2022-27642derived from NVD
rax15 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax200 firmwareNVD
Affected:< 1.0.6.138Fixed in:1.0.6.138CVE-2022-27642derived from NVD
rax20 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax35 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax38 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax40 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax42 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax43 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax45 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax48 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax50 firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax50s firmwareNVD
Affected:< 1.0.10.110Fixed in:1.0.10.110CVE-2022-27642derived from NVD
rax75 firmwareNVD
Affected:< 1.0.6.138Fixed in:1.0.6.138CVE-2022-27642derived from NVD
rax80 firmwareNVD
Affected:< 1.0.6.138Fixed in:1.0.6.138CVE-2022-27642derived from NVD
rs400 firmwareNVD
Affected:< 1.5.1.86Fixed in:1.5.1.86CVE-2022-27642derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.87%probability of exploitation in 30 days
54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-22518Critical9.8100%KEV + RansomFix
CVE-2023-38035Critical9.8100%KEV + Ransom-
CVE-2022-46169Critical9.8100%KEVFix
CVE-2025-29927Critical9.1100%-Fix
CVE-2024-38856Critical9.899%KEVFix
CVE-2020-36289Medium5.399%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.