AUGUST 14, 2026
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Case File

CVE-2026-19845

HIGH · CVSS 8.8 Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-14 · Last synced 2026-08-14

CyberRota Analysis

AI-Generated

TOTOLINK A800R devices running firmware version 4.1.2cu.5137_B20200730 are vulnerable to a stack-based buffer overflow in the setStaticDhcpConfig function, which can be exploited remotely through manipulated arguments. This vulnerability poses a significant risk, as it could allow attackers to execute arbitrary code on the affected devices. Organizations using this router model should prioritize patching or mitigating this vulnerability to protect their networks from potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-19845
Severity
HIGH
CVSS
8.8
EPSS
N/A

Original NVD Description

A vulnerability was determined in TOTOLINK A800R 4.1.2cu.5137_B20200730. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. Executing a manipulation of the argument Comment can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.