CVE-2026-5830— Tenda AC15 SysToolChangePwd websGetVar stack-based overflow
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-5830
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Tenda AC15 SysToolChangePwd websGetVar stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might 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 15.03.05.18版本存在安全漏洞，该漏洞源于文件/goform/SysToolChangePwd中的函数websGetVar对参数oldPwd/newPwd/cfmPwd的错误操作导致基于栈的缓冲区溢出，可能导致远程攻击。
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-2026-5830
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-5830
请登录查看更多情报信息。
Same Patch Batch · Tenda · 2026-04-09 · 8 CVEs total
| CVE-2026-5991 | 8.8 HIGH | Tenda F451 WrlExtraSet formWrlExtraSet stack-based overflow |
| CVE-2026-5990 | 8.8 HIGH | Tenda F451 SafeEmailFilter fromSafeEmailFilter stack-based overflow |
| CVE-2026-5989 | 8.8 HIGH | Tenda F451 RouteStatic fromRouteStatic stack-based overflow |
| CVE-2026-5988 | 8.8 HIGH | Tenda F451 AdvSetWrlsafeset formWrlsafeset stack-based overflow |
| CVE-2026-5962 | 7.3 HIGH | Tenda CH22 httpd R7WebsSecurityHandlerfunction path traversal |
| CVE-2026-5849 | 7.3 HIGH | Tenda i12 HTTP path traversal |
| CVE-2026-5841 | 7.3 HIGH | Tenda i3 HTTP R7WebsSecurityHandler path traversal |
IV. Related Vulnerabilities
Same product: AC15
- CVE-2026-4975
Tenda AC15 POST Request setcfm formSetCfm memory corruption - CVE-2026-3400
Tenda AC15 TextEditingConversion stack-based overflow - CVE-2025-11389
Tenda AC15 saveAutoQos stack-based overflow - CVE-2025-11388
Tenda AC15 setNotUpgrade stack-based overflow - CVE-2025-11387
Tenda AC15 fast_setting_pppoe_set stack-based overflow
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-2026-5830
No comments yet