CVE-2024-35387
Published: 24 May 2024
Summary
CVE-2024-35387 is a critical-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Totolink Lr350 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 7.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
TOTOLINK LR350 firmware version V9.3.5u.6369_B20220309 contains a stack-based buffer overflow vulnerability in the loginAuth function. The flaw is triggered when the http_host parameter is processed, allowing an attacker to overwrite the stack and potentially corrupt memory. The issue is tracked as CVE-2024-35387 with a CVSS 3.1 score of 9.8 and is classified under CWE-121.
An unauthenticated attacker with network access can exploit the vulnerability by sending a crafted HTTP request containing an oversized or malicious http_host value. Successful exploitation can lead to arbitrary code execution, full device compromise, or a denial-of-service condition without any user interaction or credentials.
Public details are available in a GitHub vulnerability report that demonstrates the flaw through proof-of-concept input. The EPSS score has remained modest, reaching a peak of 0.0996 and currently sitting at 0.0786, indicating limited observed exploitation interest to date. No vendor advisory or firmware update information is referenced in the available sources.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-35310
Vulnerability details
TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the http_host parameter in the function loginAuth.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.