Totolink WA300 5.2cu.7112_B20190227 /cgi-bin/cstecgi.cgi setAPNetwork Ipaddr os command injection

Summaryinfo

A vulnerability was found in Totolink WA300 5.2cu.7112_B20190227. It has been rated as critical. This affects the function setAPNetwork of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument Ipaddr causes os command injection. The identification of this vulnerability is CVE-2026-2167. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Totolink WA300 5.2cu.7112_B20190227. It has been declared as critical. Affected by this vulnerability is the function setAPNetwork of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Ipaddr with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-2167. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-5782). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/07/2026 Advisory disclosed
02/07/2026 +0 days VulDB entry created
02/12/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2026-2167 (🔒)
GCVE (CVE): GCVE-0-2026-2167
GCVE (VulDB): GCVE-100-344869
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/07/2026 10:20
Updated: 02/12/2026 08:47
Changes: 02/07/2026 10:20 (56), 02/08/2026 18:45 (30), 02/09/2026 02:23 (1), 02/12/2026 08:47 (11)
Complete: 🔍
Submitter: jiefengliang
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #752063: TOTOLINK WA300 V5.2cu.7112_B20190227 OS Command Injection (by jiefengliang)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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