CVE•Published 2026-08-14•Modified 2026-08-18•1 article on news•5 live references•NVD data
CVE-2026-19811
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
38
Exploit Prediction Scoring System · top 62% of all CVEs
Weaknesses (CWE)
Description
A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137_B20200730. The impacted element is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument Comment results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Timeline
Published 2026-08-14
Modified 2026-08-18
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-19811Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-19811Censys host search filtered to this CVE id.
grep.app
CVE-2026-19811Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-19811GitHub code search for direct mentions.
Google dork
"CVE-2026-19811" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.