WAVLINK WN579X3-D V250402 /cgi-bin/wapi.cgi port_forward name os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.0$0-$5k1.53+

Summaryinfo

A vulnerability marked as very critical has been reported in WAVLINK WN579X3-D V250402. This impacts the function port_forward of the file /cgi-bin/wapi.cgi. This manipulation of the argument Name causes os command injection. The identification of this vulnerability is CVE-2026-120196. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability was found in WAVLINK WN579X3-D V250402. It has been declared as very critical. Affected by this vulnerability is the function port_forward of the file /cgi-bin/wapi.cgi. The manipulation of the argument name 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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-120196. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.0

VulDB Base Score: 9.9
VulDB Temp Score: 9.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: 🔒
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

10/31/2026 Advisory disclosed
10/31/2026 +0 days VulDB entry created
10/31/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CNA: VulDB
CVE: CVE-2026-120196 (🔒)

GCVE (CVE): GCVE-0-2026-120196
GCVE (VulDB): GCVE-100-429559
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/31/2026 12:48
Changes: 10/31/2026 12:48 (57)
Complete: 🔍
Submitter: hackerpipi
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #916941: WAVLINK WAVLINK WN579X3-D V250402 CWE-78 (by hackerpipi)

Be aware that VulDB is the high quality source for vulnerability data.

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