CVE-2024-42543

CRITICAL
Published Aug 12, 2024 Modified Aug 13, 2024 CWE-120

Description

TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the loginauth function.

Is your site exposed to CVE-2024-42543?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor Product
totolink a3700r_firmware
totolink a3700r

References

Frequently Asked Questions

What is CVE-2024-42543? +
TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the loginauth function. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2024-42543? +
CVE-2024-42543 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2024-42543? +
CVE-2024-42543 affects products from totolink, specifically: a3700r, a3700r_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-42543? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-27820

zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain …
CVE-2024-13503

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Newtec NTC2218, NTC2250, NTC2299 on Linux, PowerPC, ARM …
CVE-2024-6199

An unauthenticated attacker on the WAN interface, with the ability to intercept Dynamic DNS (DDNS) traffic between DDNS services and …
CVE-2024-6198

The device exposes a web interface on ports TCP/3030 and TCP/9882. This web service runs lighttpd, which implements the “SNORE” …
CVE-2025-6151

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality …
CVE-2025-0045

Improper Input validation in the AMD Secure Processor (ASP) PCI driver may allow a local attacker to create a buffer …

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2024-42543 — free, no signup required.