How severe is CVE-2025-61498?

CVE-2025-61498 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-61498 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-61498?

CVE-2025-61498 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-61498?

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-2025-61498 have an EU (EUVD) identifier?

Yes. CVE-2025-61498 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37198.

When was CVE-2025-61498 published?

CVE-2025-61498 was published on 2025-10-30 and last updated on 2026-07-05.

CVE-2025-61498

CVE-2025-61498 is a high-severity vulnerability in Tenda Ac8 Firmware with a CVSS 3.x base score of 7.5. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37198
Weakness: CWE-121
Affected product: Tenda Ac8 Firmware
Published: 2025-10-30
Last modified: 2026-07-05

Description

A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of Service (DoS) via supplying a crafted packet.

Frequently asked questions

What is CVE-2025-61498?: A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of Service (DoS) via supplying a crafted packet.
How severe is CVE-2025-61498?: CVE-2025-61498 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-61498 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-61498?: CVE-2025-61498 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-61498?: 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-2025-61498 have an EU (EUVD) identifier?: Yes. CVE-2025-61498 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37198.
When was CVE-2025-61498 published?: CVE-2025-61498 was published on 2025-10-30 and last updated on 2026-07-05.

References

https://github.com/sakshi-garg02/CVEs/tree/main/CVE-2025-61498

EU advisories (EUVD)

http://tenda.com

Affected products (1)

cpe:2.3:o:tenda:ac8_firmware:03.03.10.01:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac8 Firmware

CVE-2026-4254 — Critical (CVSS 9.8): A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of…
CVE-2026-4252 — Critical (CVSS 9.8): A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the…
CVE-2025-29100 — Critical (CVSS 9.8): Tenda AC8 V16.03.34.06 is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the parameter list.
CVE-2025-25668 — Critical (CVSS 9.8): Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the shareSpeed parameter in the sub_47D878…
CVE-2025-25667 — Critical (CVSS 9.8): Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the urls parameter in the function…
CVE-2025-25664 — Critical (CVSS 9.8): Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the shareSpeed parameter in the sub_49E098…

All CVEs affecting Tenda Ac8 Firmware →

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

CVE-2026-12848 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12847 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12846 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12485 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-37541 — Critical (CVSS 10.0): Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length…
CVE-2026-42996 — Critical (CVSS 10.0): JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of…

Browse all CWE-121 (Stack-based Buffer Overflow) vulnerabilities →