How severe is CVE-2025-3346?

CVE-2025-3346 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-2025-3346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3346?

CVE-2025-3346 affects Tenda Ac7 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3346?

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-2025-3346 have an EU (EUVD) identifier?

Yes. CVE-2025-3346 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15058.

When was CVE-2025-3346 published?

CVE-2025-3346 was published on 2025-04-07 and last updated on 2026-06-17.

CVE-2025-3346

CVE-2025-3346 is a high-severity vulnerability in Tenda Ac7 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: 8.7
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15058
Weakness: CWE-120
Affected product: Tenda Ac7 Firmware
Published: 2025-04-07
Last modified: 2026-06-17

Description

A vulnerability was found in Tenda AC7 15.03.06.44. It has been rated as critical. Affected by this issue is the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument pptp_server_start_ip/pptp_server_end_ip leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3346?: A vulnerability was found in Tenda AC7 15.03.06.44. It has been rated as critical. Affected by this issue is the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument pptp_server_start_ip/pptp_server_end_ip leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3346?: CVE-2025-3346 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-2025-3346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3346?: CVE-2025-3346 affects Tenda Ac7 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3346?: 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-2025-3346 have an EU (EUVD) identifier?: Yes. CVE-2025-3346 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15058.
When was CVE-2025-3346 published?: CVE-2025-3346 was published on 2025-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac7_firmware:15.03.06.44:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac7 Firmware

CVE-2025-29135 — Critical (CVSS 9.8): A stack-based buffer overflow vulnerability in Tenda AC7 V15.03.06.44 allows a remote attacker to execute arbitrary…
CVE-2025-29137 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44 found a buffer overflow caused by the timeZone parameter in the form_fast_setting_wifi_set…
CVE-2024-32301 — Critical (CVSS 9.8): Tenda AC7V1.0 v15.03.06.44 firmware has a stack overflow vulnerability via the PPW parameter in the fromWizardHandle…
CVE-2023-41562 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were…
CVE-2023-41559 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to…
CVE-2023-41558 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44 was discovered to contain a stack overflow via parameter timeZone at url…

All CVEs affecting Tenda Ac7 Firmware →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →