CVE-2026-75012— TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-75012
Vulnerability Information
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Vulnerability Title
TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-75012
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Proof of Concept for CVE-2026-75012 (1)
IV. Related Vulnerabilities
Same product: EX1200L
- CVE-2026-75013
TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer deref - CVE-2026-44089
Buffer Overflow in Totolink EX1200L router - CVE-2024-7909
TOTOLINK EX1200L cstecgi.cgi setLanguageCfg stack-based over - CVE-2024-7908
TOTOLINK EX1200L cstecgi.cgi setDefResponse stack-based over - CVE-2024-7338
TOTOLINK EX1200L cstecgi.cgi setParentalRules buffer overflo
Same vendor: TOTOLINK
- CVE-2026-75013
TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer deref - CVE-2026-19847
TOTOLINK A800R wps.so cstecgi.cgi setWiFiWpsConfig stack-bas - CVE-2026-19846
TOTOLINK A800R firewall.so cstecgi.cgi setUrlFilterRules sta - CVE-2026-19845
TOTOLINK A800R lan.so cstecgi.cgi setStaticDhcpConfig stack- - CVE-2026-19844
TOTOLINK A800R ipv6.so cstecgi.cgi setRadvdCfg stack-based o
Same weakness: CWE-476
V. Comments for CVE-2026-75012
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