Buffer overflow in NETGEAR Rax30
CVE-2023-34285
NETGEAR RAX30 cmsCli_authenticate Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within a shared library used by the telnetd service, which listens on TCP port 23 by default. 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-19918.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- NETGEAR Rax30 — versions 1.0.9.92_1
- NETGEAR Rax30 Firmware
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-839/ (x_research-advisory, Third Party Advisory)
- kb.netgear.com/000065696/RAX30-Firmware-Version-1-0-11-96-Hot-Fix (vendor-advisory, Patch, Release Notes)
Frequently asked questions
- What is CVE-2023-34285?
- CVE-2023-34285 is a high-severity vulnerability in NETGEAR Rax30, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-05-03.
- How severe is CVE-2023-34285?
- High severity. CVSS v3 base score is 8.8 out of 10.