Buffer overflow in Tenda Ax1803
CVE-2024-4236
A vulnerability, which was classified as critical, has been found in Tenda AX1803 1.0.0.1. This issue affects the function formSetSysToolDDNS of the file /goform/SetDDNSCfg. The manipulation of the argument serverName/ddnsUser/ddnsPwd/ddnsDomain leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-262127. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.149 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.149 · newest: 0.149 · change: 0.000
Affected products
- Tenda Ax1803 — versions 1.0.0.1
- Tenda Ax1803 Firmware — versions 1.0.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (Permissions Required, technical-description, VDB Entry, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AX/AX1803/formSetSysToolD… (exploit, Broken Link)
Frequently asked questions
- What is CVE-2024-4236?
- CVE-2024-4236 is a high-severity vulnerability in Tenda Ax1803, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-04-26.
- How severe is CVE-2024-4236?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-4236 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.