How severe is CVE-2026-2137?

CVE-2026-2137 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-2137 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2137?

CVE-2026-2137 affects Tenda Tx3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2137?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-2137 have an EU (EUVD) identifier?

Yes. CVE-2026-2137 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5811.

When was CVE-2026-2137 published?

CVE-2026-2137 was published on 2026-02-08 and last updated on 2026-06-17.

CVE-2026-2137

CVE-2026-2137 is a high-severity vulnerability in Tenda Tx3 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5811
Weakness: CWE-120
Affected product: Tenda Tx3 Firmware
Published: 2026-02-08
Last modified: 2026-06-17

Description

A vulnerability has been found in Tenda TX3 up to 16.03.13.11_multi. This impacts an unknown function of the file /goform/SetIpMacBind. The manipulation of the argument list leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2026-2137?: A vulnerability has been found in Tenda TX3 up to 16.03.13.11_multi. This impacts an unknown function of the file /goform/SetIpMacBind. The manipulation of the argument list leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2026-2137?: CVE-2026-2137 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-2137 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2137?: CVE-2026-2137 affects Tenda Tx3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2137?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-2137 have an EU (EUVD) identifier?: Yes. CVE-2026-2137 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5811.
When was CVE-2026-2137 published?: CVE-2026-2137 was published on 2026-02-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:tx3_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tenda Tx3 Firmware

CVE-2022-43029 — Critical (CVSS 9.8): Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the time parameter at…
CVE-2022-43028 — Critical (CVSS 9.8): Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the timeZone parameter…
CVE-2022-43027 — Critical (CVSS 9.8): Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the firewallEn parameter…
CVE-2022-43026 — Critical (CVSS 9.8): Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the endIp parameter at…
CVE-2022-43025 — Critical (CVSS 9.8): Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the startIp parameter at…
CVE-2022-43024 — Critical (CVSS 9.8): Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the list parameter at…

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