How severe is CVE-2025-15233?

CVE-2025-15233 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-2025-15233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15233?

CVE-2025-15233 affects Tenda M3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15233?

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-2025-15233 have an EU (EUVD) identifier?

Yes. CVE-2025-15233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205699.

When was CVE-2025-15233 published?

CVE-2025-15233 was published on 2025-12-30 and last updated on 2026-06-17.

CVE-2025-15233

CVE-2025-15233 is a high-severity vulnerability in Tenda M3 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205699
Weakness: CWE-119
Affected product: Tenda M3 Firmware
Published: 2025-12-30
Last modified: 2026-06-17

Description

A security flaw has been discovered in Tenda M3 1.0.0.13(4903). This issue affects the function formSetAdInfoDetails of the file /goform/setAdInfoDetail. The manipulation of the argument adName/smsPassword/smsAccount/weixinAccount/weixinName/smsSignature/adRedirectUrl/adCopyRight/smsContent/adItemUID results in heap-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

Frequently asked questions

What is CVE-2025-15233?: A security flaw has been discovered in Tenda M3 1.0.0.13(4903). This issue affects the function formSetAdInfoDetails of the file /goform/setAdInfoDetail. The manipulation of the argument adName/smsPassword/smsAccount/weixinAccount/weixinName/smsSignature/adRedirectUrl/adCopyRight/smsContent/adItemUID results in heap-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.
How severe is CVE-2025-15233?: CVE-2025-15233 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-2025-15233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15233?: CVE-2025-15233 affects Tenda M3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15233?: 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-2025-15233 have an EU (EUVD) identifier?: Yes. CVE-2025-15233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205699.
When was CVE-2025-15233 published?: CVE-2025-15233 was published on 2025-12-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:m3_firmware:1.0.0.13\(4903\):*:*:*:*:*:*:*

More vulnerabilities in Tenda M3 Firmware

CVE-2023-51094 — Critical (CVSS 9.8): Tenda M3 V1.0.0.12(4856) was discovered to contain a Command Execution vulnerability via the function TendaTelnet.
CVE-2023-51093 — Critical (CVSS 9.8): Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function fromSetLocalVlanInfo.
CVE-2023-51092 — Critical (CVSS 9.8): Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function upgrade.
CVE-2023-51091 — Critical (CVSS 9.8): Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function R7WebsSecurityHandler.
CVE-2023-51090 — Critical (CVSS 9.8): Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function formGetWeiXinConfig.
CVE-2023-51095 — Critical (CVSS 9.8): Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function formDelWlRfPolicy.

All CVEs affecting Tenda M3 Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →