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CVE-2026-0731— TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference

Quick assessment

Affected
TOTOLINK WA1200
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK WA1200是中国吉翁电子（TOTOLINK）公司的一款大功率无线接入点。 TOTOLINK WA1200 5.9c.2914版本存在代码问题漏洞，该漏洞源于文件cstecgi.cgi中存在空指针取消引用问题。

CVSS 5.3 · Medium EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-0731

Vulnerability Information
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Vulnerability Title
TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK WA1200 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK WA1200是中国吉翁电子（TOTOLINK）公司的一款大功率无线接入点。 TOTOLINK WA1200 5.9c.2914版本存在代码问题漏洞，该漏洞源于文件cstecgi.cgi中存在空指针取消引用问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TOTOLINK WA1200 5.9c.2914 -

II. Public POCs for CVE-2026-0731

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III. Intelligence Information for CVE-2026-0731

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Vendor Advisories for CVE-2026-0731 (2)

News Coverage for CVE-2026-0731 (1)

IV. Related Vulnerabilities

Same vendor: TOTOLINK
Same weakness: CWE-476

V. Comments for CVE-2026-0731

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