CVE-2025-12241— TOTOLINK A3300R POST Parameter cstecgi.cgi setLanguageCfg stack-based overflow
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2025-12241
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
TOTOLINK A3300R POST Parameter cstecgi.cgi setLanguageCfg stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This impacts the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. The manipulation of the argument lang results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now 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
TOTOLINK A3300R 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3300R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A3300R 17.0.0cu.557_B20221024版本存在安全漏洞，该漏洞源于对文件/cgi-bin/cstecgi.cgi中参数lang的错误操作，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-2025-12241
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-12241
请登录查看更多情报信息。
- Submit #673723: TOTOLINK A3300R V17.0.0cu.557_B20221024 Buffer Overflowthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-12241
Same Patch Batch · TOTOLINK · 2025-10-27 · 6 CVEs total
| CVE-2025-12239 | 8.8 HIGH | TOTOLINK A3300R cstecgi.cgi setDdnsCfg buffer overflow |
| CVE-2025-12240 | 8.8 HIGH | TOTOLINK A3300R cstecgi.cgi setDmzCfg buffer overflow |
| CVE-2025-12258 | 8.8 HIGH | TOTOLINK A3300R POST Parameter cstecgi.cg setOpModeCfg stack-based overflow |
| CVE-2025-12259 | 8.8 HIGH | TOTOLINK A3300R POST Parameter cstecgi.cgi setScheduleCfg stack-based overflow |
| CVE-2025-12260 | 8.8 HIGH | TOTOLINK A3300R POST Parameter cstecgi.cgi setSyslogCfg stack-based overflow |
IV. Related Vulnerabilities
Same product: A3300R
- CVE-2026-5679
Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injectio - CVE-2026-5178
Totolink A3300R cstecgi.cgi setIptvCfg command injection - CVE-2026-5177
Totolink A3300R cstecgi.cgi setWiFiBasicCfg command injectio - CVE-2026-5176
Totolink A3300R cstecgi.cgi setSyslogCfg command injection - CVE-2026-5105
Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command
Same vendor: TOTOLINK
- CVE-2026-8137
Totolink X5000R formDdns sub_458E40 buffer overflow - CVE-2026-7823
Totolink A8000RU cstecgi.cgi setAppFilterCfg os command inje - CVE-2026-7750
Totolink N300RH POST Request cstecgi.cgi setMacFilterRules b - CVE-2026-7749
Totolink N300RH POST Request cstecgi.cgi setWanConfig buffer - CVE-2026-7748
Totolink N300RH POST Request cstecgi.cgi setUpgradeFW buffer
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-2025-12241
No comments yet