Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-2490— Tenda AC18 openSchedWifi setSchedWifi stack-based overflow

Quick assessment

Affected
Tenda AC18
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.

Tenda AC18是中国腾达（Tenda）公司的一款路由器。 Tenda AC18 15.03.05.05版本存在安全漏洞，该漏洞源于对参数 schedStartTime/schedEndTime 的错误操作会导致基于堆栈的缓冲区溢出。

CVSS 8.8 · High EPSS 1.65% · P76
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-2490

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 AC18 openSchedWifi setSchedWifi stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in Tenda AC18 15.03.05.05. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-256897 was assigned to this vulnerability. NOTE: 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
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC18 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC18是中国腾达（Tenda）公司的一款路由器。 Tenda AC18 15.03.05.05版本存在安全漏洞，该漏洞源于对参数 schedStartTime/schedEndTime 的错误操作会导致基于堆栈的缓冲区溢出。
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

Vendor Product Affected Versions CPE Subscribe
Tenda AC18 15.03.05.05 -

II. Public POCs for CVE-2024-2490

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7251 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2024-2490

请登录查看更多情报信息。

Vendor Advisories for CVE-2024-2490 (2)

Other References for CVE-2024-2490 (1)

Same Patch Batch · Tenda · 2024-03-15 · 6 CVEs total

CVE-2024-2485 8.8 HIGH Tenda AC18 SetSpeedWan formSetSpeedWan stack-based overflow
CVE-2024-2486 8.8 HIGH Tenda AC18 QuickIndex formQuickIndex stack-based overflow
CVE-2024-2487 8.8 HIGH Tenda AC18 SetOnlineDevName formSetDeviceName stack-based overflow
CVE-2024-2488 8.8 HIGH Tenda AC18 SetPptpServerCfg formSetPPTPServer stack-based overflow
CVE-2024-2489 8.8 HIGH Tenda AC18 SetNetControlList formSetQosBand stack-based overflow

IV. Related Vulnerabilities

Same product: AC18
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2024-2490

No comments yet

Leave a comment