AUGUST 14, 2026
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Case File

CVE-2026-19844

HIGH · CVSS 8.8 Public Exploit

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

CyberRota Analysis

AI-Generated

A stack-based buffer overflow vulnerability exists in the setRadvdCfg function of the TOTOLINK A800R router's firmware, specifically in the ipv6.so component. This flaw allows remote attackers to exploit the vulnerability by manipulating the radvdinterfacename argument, potentially leading to arbitrary code execution. Organizations using the affected firmware should prioritize patching this vulnerability to mitigate the risk of 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-2026-19844
Severity
HIGH
CVSS
8.8
EPSS
N/A

Original NVD Description

A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137_B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used.