CVE & CISA-KEV Catalog

CVE-2022-26376

CRITICAL
9.8
CVSS v3
NVD

Description

A memory corruption vulnerability exists in the httpd unescape functionality of Asuswrt prior to 3.0.0.4.386_48706 and Asuswrt-Merlin New Gen prior to 386.7.. A specially-crafted HTTP request can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.

CWE-787Out-of-bounds Write

How to fix

Remediation Available
asuswrtNVD
Affected:< 3.0.0.4.386_48706Fixed in:3.0.0.4.386_48706CVE-2022-26376derived from NVD
et12 firmwareNVD
Affected:< 3.0.0.4.386_48823Fixed in:3.0.0.4.386_48823CVE-2022-26376derived from NVD
gt-ax11000 firmwareNVD
Affected:< 3.0.0.4.386_49559Fixed in:3.0.0.4.386_49559CVE-2022-26376derived from NVD
gt-ax11000 pro firmwareNVD
Affected:< 3.0.0.4.386_48996Fixed in:3.0.0.4.386_48996CVE-2022-26376derived from NVD
gt-ax6000 firmwareNVD
Affected:< 3.0.0.4.386_48823Fixed in:3.0.0.4.386_48823CVE-2022-26376derived from NVD
gt-axe16000 firmwareNVD
Affected:< 3.0.0.4.386_48786Fixed in:3.0.0.4.386_48786CVE-2022-26376derived from NVD
new genNVD
Affected:< 386.7Fixed in:386.7CVE-2022-26376derived from NVD
rt-ax55 firmwareNVD
Affected:< 3.0.0.4.386_49559Fixed in:3.0.0.4.386_49559CVE-2022-26376derived from NVD
rt-ax56u firmwareNVD
Affected:< 3.0.0.4.386_49559Fixed in:3.0.0.4.386_49559CVE-2022-26376derived from NVD
rt-ax58u firmwareNVD
Affected:< 3.0.0.4.386_48908Fixed in:3.0.0.4.386_48908CVE-2022-26376derived from NVD
rt-ax68u firmwareNVD
Affected:< 3.0.0.4.386_49479Fixed in:3.0.0.4.386_49479CVE-2022-26376derived from NVD
rt-ax82u firmwareNVD
Affected:< 3.0.0.4.386_49380Fixed in:3.0.0.4.386_49380CVE-2022-26376derived from NVD
rt-ax86u firmwareNVD
Affected:< 3.0.0.4.386_49447Fixed in:3.0.0.4.386_49447CVE-2022-26376derived from NVD
tuf-ax3000 v2 firmwareNVD
Affected:< 3.0.0.4.386_48750Fixed in:3.0.0.4.386_48750CVE-2022-26376derived from NVD
xd4 firmwareNVD
Affected:< 3.0.0.4.386_48790Fixed in:3.0.0.4.386_48790CVE-2022-26376derived from NVD
xd6 firmwareNVD
Affected:< 3.0.0.4.386_49356Fixed in:3.0.0.4.386_49356CVE-2022-26376derived from NVD
xt12 firmwareNVD
Affected:< 3.0.0.4.386_48823Fixed in:3.0.0.4.386_48823CVE-2022-26376derived from NVD
xt8 firmwareNVD
Affected:< 3.0.0.4.386_48706Fixed in:3.0.0.4.386_48706CVE-2022-26376derived from NVD
xt9 firmwareNVD
Affected:< 3.0.0.4.388_20027Fixed in:3.0.0.4.388_20027CVE-2022-26376derived 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 VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

1.07%probability of exploitation in 30 days
61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2015-3113Critical9.8100%KEVFix
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2023-4863High8.8100%KEVFix
CVE-2020-16040Medium6.5100%-Fix
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CVE-2022-26376 severity badge

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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.