CVE-2026-4975— Tenda AC15 POST Request setcfm formSetCfm memory corruption
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I. Basic Information for CVE-2026-4975
Vulnerability Information
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Vulnerability Title
Tenda AC15 POST Request setcfm formSetCfm memory corruption
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in Tenda AC15 15.03.05.19. This affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can 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:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tenda AC15 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC15是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC15 15.03.05.19版本存在安全漏洞，该漏洞源于对文件/goform/setcfm中参数funcpara1的错误操作，可能导致基于栈的缓冲区溢出。
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-2026-4975
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- Tenda-AC15-setcfmexploit
- Submit #778261: Tenda AC15 AC15 V1.0 V15.03.05.19_multi Buffer Overflowthird-party-advisory
- CVE-2026-4975 Tenda AC15 POST Request setcfm formSetCfm stack-based overflowvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-4975
Same Patch Batch · Tenda · 2026-03-27 · 5 CVEs total
| CVE-2026-4906 | 8.8 HIGH | Tenda AC5 POST Request WizardHandle decodePwd stack-based overflow |
| CVE-2026-4960 | 8.8 HIGH | Tenda AC6 POST Request WizardHandle fromWizardHandle stack-based overflow |
| CVE-2026-4961 | 8.8 HIGH | Tenda AC6 POST Request QuickIndex formQuickIndex stack-based overflow |
| CVE-2026-4974 | 8.8 HIGH | Tenda AC7 POST Request SetSysTimeCfg fromSetSysTime memory corruption |
IV. Related Vulnerabilities
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Same vendor: Tenda
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Tenda AC6 httpd telnet os command injection - CVE-2026-8138
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Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
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PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2026-4975
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