CVE-2025-4269— TOTOLINK A720R Log cstecgi.cgi access control
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I. Basic Information for CVE-2025-4269
Vulnerability Information
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Vulnerability Title
TOTOLINK A720R Log cstecgi.cgi access control
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi of the component Log Handler. The manipulation of the argument topicurl with the input clearDiagnosisLog/clearSyslog/clearTracerouteLog leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
TOTOLINK A720R 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A720R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A720R 4.1.5cu.374版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi中参数topicurl处理不当，可能导致访问控制不当。
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
II. Public POCs for CVE-2025-4269
| # | POC Description | Source Link | Shenlong Link |
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Same Patch Batch · TOTOLINK · 2025-05-05 · 4 CVEs total
| CVE-2025-4268 | 5.3 MEDIUM | TOTOLINK A720R cstecgi.cgi missing authentication |
| CVE-2025-4270 | 5.3 MEDIUM | TOTOLINK A720R Config cstecgi.cgi information disclosure |
| CVE-2025-4271 | 5.3 MEDIUM | TOTOLINK A720R cstecgi.cgi information disclosure |
IV. Related Vulnerabilities
Same product: A720R
- CVE-2025-9303
TOTOLINK A720R cstecgi.cgi setParentalRules buffer overflow - CVE-2025-4271
TOTOLINK A720R cstecgi.cgi information disclosure - CVE-2025-4270
TOTOLINK A720R Config cstecgi.cgi information disclosure - CVE-2025-4268
TOTOLINK A720R cstecgi.cgi missing authentication - CVE-2024-8869
TOTOLINK A720R exportOvpn os command injection
Same vendor: TOTOLINK
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Totolink N300RH POST Request cstecgi.cgi setWanConfig buffer - CVE-2026-7748
Totolink N300RH POST Request cstecgi.cgi setUpgradeFW buffer
Same weakness: CWE-284
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V. Comments for CVE-2025-4269
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