WAVLINK WN536AX6-A V260507_2.0.0 Web Management Interface /bin/ioos sub_416760 group_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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9.1$0-$5k1.94

Summaryinfo

A vulnerability, which was classified as very critical, was found in WAVLINK WN536AX6-A V260507_2.0.0. This issue affects the function sub_416760 of the file /bin/ioos of the component Web Management Interface. Such manipulation of the argument group_name leads to os command injection. This vulnerability is referenced as CVE-2026-120276. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability was found in WAVLINK WN536AX6-A V260507_2.0.0 and classified as very critical. Affected by this issue is the function sub_416760 of the file /bin/ioos of the component Web Management Interface. The manipulation of the argument group_name with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-120276. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/01/2026). The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available 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.

Once again VulDB remains the best 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: 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: 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

11/01/2026 Advisory disclosed
11/01/2026 +0 days VulDB entry created
11/01/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CNA: VulDB
CVE: CVE-2026-120276 (🔒)

GCVE (CVE): GCVE-0-2026-120276
GCVE (VulDB): GCVE-100-429620
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/01/2026 08:49
Changes: 11/01/2026 08:49 (58)
Complete: 🔍
Submitter: shuyi
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #919502: Wavlink Router Firmware V260507_2.0.0 OS Command Injection (by shuyi)

Once again VulDB remains the best source for vulnerability data.

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