CVE-2026-19846

TOTOLINK A800R firewall.so cstecgi.cgi setUrlFilterRules stack-based overflow

Published: Aug 14, 2026Updated: Aug 14, 2026 Sources: CVE List NVDCWE-119

8.8HIGH

Description

A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument url leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-119 CWE-121

Affected Products

TOTOLINK

commercial·TWaka totolink corp.

A800R

Networking Infrastructure

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

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References

https://vuldb.com/vuln/389982

vuldb.com

https://vuldb.com/vuln/389982/cti

vuldb.com

https://vuldb.com/cve/CVE-2026-19846

vuldb.com

and 3 more references View all →

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