Is CVE-2026-4043 actively exploited?

No active exploitation of CVE-2026-4043 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4043 be exploited remotely?

Yes. CVE-2026-4043 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4043?

CVE-2026-4043 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-4043

HIGH

CVE-2026-4043

CWE-119Published: March 12, 2026· Updated: Mar 12, 2026

8.8

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.0th

Official Description

A security vulnerability has been detected in Tenda i12 1.0.0.6(2204). The impacted element is the function formwrlSSIDget of the file /goform/wifiSSIDget. Such manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

NVD Source

Technical Analysis

CVE-2026-4043 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.Low

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

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Security advisories & exploits

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News & Research Mentioning CVE-2026-4043

SenseLive X3050

CISA Alerts· Apr 21, 2026

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to take complete control of the device. The following versions of SenseLive X3050 are affected: X3050 V1.523 (CVE-2026-40630, CVE-2026-25720, CVE-2026-35503, CVE-2026-39462, CVE-2026-27843, CVE-2026-40431, CVE-2026-40623, CVE-2026-27841, CVE-2026-40620, CVE-2026-35064, CVE-2026-25775) CVSS Vendor Equipment Vulnerabilities v3 9.8 SenseLive SenseLive X3050 Authentication Bypass Using an Alternate Path or Channel, Insufficient Session Expiration, Use of Hard-coded Credentials, Insufficiently Protected Credentials, Missing Authentication for Critical Function, Cleartext Transmission of Sensitive Information, Missing Authorization, Cross-Site Request Forgery (CSRF) [xlite_meta score:69 src:CISA Alerts xlite_fp:091c7263d6831034718315c48ed92f9afe84b11ea8aa81d250798497c7b64b43]