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CVE-2024-8576— TOTOLINK AC1200 T8/AC1200 T10 cstecgi.cgi setIpPortFilterRules buffer overflow

Quick assessment

Affected
TOTOLINK AC1200 T8
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK AC1200是中国吉翁电子（TOTOLINK）公司的一款双频 Wi-Fi 路由器。 TOTOLINK AC1200 T8 4.1.5cu.861_B20230220版本和 AC1200 T10 4.1.8cu.5207版本存在安全漏洞，该漏洞源于/cgi-bin/cstecgi.cgi页面的setIpPortFilterRules方法中的desc参数包含一个缓冲区溢出漏洞。

CVSS 8.8 · High EPSS 1.09% · P64
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I. Basic Information for CVE-2024-8576

Vulnerability Information
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Vulnerability Title
TOTOLINK AC1200 T8/AC1200 T10 cstecgi.cgi setIpPortFilterRules buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. It has been classified as critical. Affected is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK AC1200 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK AC1200是中国吉翁电子（TOTOLINK）公司的一款双频 Wi-Fi 路由器。 TOTOLINK AC1200 T8 4.1.5cu.861_B20230220版本和 AC1200 T10 4.1.8cu.5207版本存在安全漏洞，该漏洞源于/cgi-bin/cstecgi.cgi页面的setIpPortFilterRules方法中的desc参数包含一个缓冲区溢出漏洞。
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 AC1200 T8 4.1.5cu.861_B20230220 -
TOTOLINK AC1200 T10 4.1.5cu.861_B20230220 -

II. Public POCs for CVE-2024-8576

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6721 chars
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III. Intelligence Information for CVE-2024-8576

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Same Patch Batch · TOTOLINK · 2024-09-08 · 8 CVEs total

CVE-2024-8579 8.8 HIGH TOTOLINK AC1200 T8 cstecgi.cgi setWiFiRepeaterCfg buffer overflow
CVE-2024-8578 8.8 HIGH TOTOLINK AC1200 T8 cstecgi.cgi setWiFiMeshName buffer overflow
CVE-2024-8577 8.8 HIGH TOTOLINK AC1200 T8/AC1200 T10 cstecgi.cgi setStaticDhcpRules buffer overflow
CVE-2024-8575 8.8 HIGH TOTOLINK AC1200 T8 cstecgi.cgi setWiFiScheduleCfg buffer overflow
CVE-2024-8573 8.8 HIGH TOTOLINK AC1200 T8/AC1200 T10 cstecgi.cgi setParentalRules buffer overflow
CVE-2024-8580 8.1 HIGH TOTOLINK AC1200 T8 shadow.sample hard-coded password
CVE-2024-8574 6.3 MEDIUM TOTOLINK AC1200 T8 cstecgi.cgi setParentalRules os command injection

IV. Related Vulnerabilities

Same product: AC1200 T8
Same vendor: TOTOLINK
Same weakness: CWE-120

V. Comments for CVE-2024-8576

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