WAVLINK WL-WN530BE1-A V251117 /protocol.csp con_check_read_finish group_name/IP-FROM command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k1.66+

Summaryinfo

A vulnerability classified as very critical has been found in WAVLINK WL-WN530BE1-A V251117. Affected by this vulnerability is the function con_check_read_finish of the file /protocol.csp. Performing a manipulation of the argument group_name/IP-FROM results in command injection. This vulnerability is identified as CVE-2026-120198. The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability classified as very critical has been found in WAVLINK WL-WN530BE1-A V251117. This affects the function con_check_read_finish of the file /protocol.csp. The manipulation of the argument group_name/IP-FROM with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-120198. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is shared for download 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 9.1
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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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-2026-120198 (🔒)

GCVE (CVE): GCVE-0-2026-120198
GCVE (VulDB): GCVE-100-429561
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/31/2026 12:49
Changes: 10/31/2026 12:49 (57)
Complete: 🔍
Submitter: hackerpipi
Cache ID: 216::103

Submitinfo

Accepted

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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