CVE-2025-7420— Tenda O3V2 httpd setWrlBasicInfo formWifiBasicSet stack-based overflow
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I. Basic Information for CVE-2025-7420
Vulnerability Information
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Vulnerability Title
Tenda O3V2 httpd setWrlBasicInfo formWifiBasicSet stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been declared as critical. This vulnerability affects the function formWifiBasicSet of the file /goform/setWrlBasicInfo of the component httpd. The manipulation of the argument extChannel 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 O3V2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda O3V2是中国腾达（Tenda）公司的一款室外无线网桥。 Tenda O3V2 1.0.0.12(3880)版本存在安全漏洞，该漏洞源于文件/goform/setWrlBasicInfo中参数extChannel的操作可能导致栈缓冲区溢出。
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-2025-7420
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Same Patch Batch · Tenda · 2025-07-10 · 7 CVEs total
| CVE-2025-7416 | 8.8 HIGH | Tenda O3V2 httpd setSysTimeInfo fromSysToolTime stack-based overflow |
| CVE-2025-7417 | 8.8 HIGH | Tenda O3V2 httpd setPingInfo fromNetToolGet stack-based overflow |
| CVE-2025-7418 | 8.8 HIGH | Tenda O3V2 httpd setPing fromPingResultGet stack-based overflow |
| CVE-2025-7419 | 8.8 HIGH | Tenda O3V2 httpd setRateTest fromSpeedTestSet stack-based overflow |
| CVE-2025-7414 | 6.3 MEDIUM | Tenda O3V2 httpd setPingInfo fromNetToolGet os command injection |
| CVE-2025-7415 | 6.3 MEDIUM | Tenda O3V2 httpd getTraceroute fromTraceroutGet command injection |
IV. Related Vulnerabilities
Same product: O3V2
- CVE-2025-7423
Tenda O3V2 httpd setWrlFilterList formWifiMacFilterSet stack - CVE-2025-7422
Tenda O3V2 httpd setNetworkService setAutoReboot stack-based - CVE-2025-7421
Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack- - CVE-2025-7419
Tenda O3V2 httpd setRateTest fromSpeedTestSet stack-based ov - CVE-2025-7418
Tenda O3V2 httpd setPing fromPingResultGet stack-based overf
Same vendor: Tenda
- CVE-2026-8265
Tenda AC6 httpd getLogFile get_log_file os command injection - CVE-2026-8264
Tenda AC6 httpd WifiApScan formWifiApScan os command injecti - CVE-2026-8263
Tenda AC6 httpd WifiExtraSet fromSetWirelessRepeat os comman - CVE-2026-8259
Tenda AC6 httpd telnet os command injection - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
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-2025-7420
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