High severity · published May 3, 2024
CVE-2023-44445
NETGEAR CAX30 SSO Stack-based Buffer Overflow Remote Code Execution Vulnerability
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
NETGEAR CAX30 SSO Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR CAX30 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the sso binary. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19058.
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
CAX30 · NETGEAR
1.4.10.8 · source: vendor, CISA
CF
Cax30 Firmware · Netgear
before 2.2.1.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-44445
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-44445
Vendor Advisory
https://kb.netgear.com/000065859/Security-Advisory-for-Pre-authentication-Buffer-Overflow-on-the-CAX30-PSV-2023-0093
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1636/
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