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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-82597— TOTOLINK NR1800X cstecgi.cgi setUssd command injection

Quick assessment

Affected
TOTOLINK NR1800X
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK nr1800x firmware是中国TOTOLINK公司的一款网络设备产品。 TOTOLINK nr1800x firmware 9.1.0u.6681_B20230703版本存在安全漏洞，该漏洞源于对文件/cgi-bin/cstecgi.cgi中setUssd函数的ussd参数操作不当，可能导致命令注入，攻击者可远程发起攻击。

CVSS 7.4 · High EPSS 1.82% · P79

Affected Version Matrix 1

VendorProduct Version RangeStatus
TOTOLINK NR1800X 9.1.0u.6681_B20230703 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-82597

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 NR1800X cstecgi.cgi setUssd command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681_B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK nr1800x firmware 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK nr1800x firmware是中国TOTOLINK公司的一款网络设备产品。 TOTOLINK nr1800x firmware 9.1.0u.6681_B20230703版本存在安全漏洞，该漏洞源于对文件/cgi-bin/cstecgi.cgi中setUssd函数的ussd参数操作不当，可能导致命令注入，攻击者可远程发起攻击。
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

Vendor Product Affected Versions CPE Subscribe
TOTOLINK NR1800X 9.1.0u.6681_B20230703 cpe:2.3:o:totolink:nr1800x_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82597

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-82597

请登录查看更多情报信息。

Proof of Concept for CVE-2026-82597 (1)

Other References for CVE-2026-82597 (3)

IV. Related Vulnerabilities

Same product: NR1800X
Same vendor: TOTOLINK
Same weakness: CWE-77

V. Comments for CVE-2026-82597

No comments yet

Leave a comment