How severe is CVE-2025-11327?

CVE-2025-11327 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-2025-11327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-11327?

CVE-2025-11327 affects Tenda Ac18 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11327?

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-2025-11327 have an EU (EUVD) identifier?

Yes. CVE-2025-11327 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32188.

When was CVE-2025-11327 published?

CVE-2025-11327 was published on 2025-10-06 and last updated on 2026-06-17.

CVE-2025-11327

CVE-2025-11327 is a high-severity vulnerability in Tenda Ac18 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% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-32188
Weakness: CWE-119
Affected product: Tenda Ac18 Firmware
Published: 2025-10-06
Last modified: 2026-06-17

Description

A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Frequently asked questions

What is CVE-2025-11327?: A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
How severe is CVE-2025-11327?: CVE-2025-11327 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-2025-11327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-11327?: CVE-2025-11327 affects Tenda Ac18 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11327?: 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-2025-11327 have an EU (EUVD) identifier?: Yes. CVE-2025-11327 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32188.
When was CVE-2025-11327 published?: CVE-2025-11327 was published on 2025-10-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac18_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac18 Firmware

CVE-2026-31255 — Critical (CVSS 9.8): A command injection vulnerability exists in Tenda AC18 V15.03.05.05_multi. The vulnerability is located in the…
CVE-2024-57583 — Critical (CVSS 9.8): Tenda AC18 V15.03.05.19 was discovered to contain a command injection vulnerability via the usbName parameter in the…
CVE-2024-57582 — Critical (CVSS 9.8): Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the startIP parameter in the formSetPPTPServer…
CVE-2024-57581 — Critical (CVSS 9.8): Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the firewallEn parameter in the…
CVE-2024-57580 — Critical (CVSS 9.8): Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the devName parameter in the formSetDeviceName…
CVE-2024-57579 — Critical (CVSS 9.8): Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the limitSpeedUp parameter in the…

All CVEs affecting Tenda Ac18 Firmware →

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

CVE-2026-77946 — Critical (CVSS 10.0): A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function…
CVE-2026-76008 — Critical (CVSS 10.0): A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file…
CVE-2026-75784 — Critical (CVSS 10.0): A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of…
CVE-2026-74843 — Critical (CVSS 10.0): A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function…
CVE-2026-16367 — Critical (CVSS 10.0): Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox…
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…

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