How severe is CVE-2025-53711?

CVE-2025-53711 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-2025-53711 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53711?

CVE-2025-53711 affects Tp-link Tl-wr841n Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53711?

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-2025-53711 have an EU (EUVD) identifier?

Yes. CVE-2025-53711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23012.

When was CVE-2025-53711 published?

CVE-2025-53711 was published on 2025-07-29 and last updated on 2026-06-17.

CVE-2025-53711

CVE-2025-53711 is a high-severity vulnerability in Tp-link Tl-wr841n 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23012
Weakness: CWE-119
Affected product: Tp-link Tl-wr841n Firmware
Published: 2025-07-29
Last modified: 2026-06-17

Description

A vulnerability has been found in TP-Link TL-WR841N v11, TL-WR842ND v2 and TL-WR494N v3. The vulnerability exists in the /userRpm/WlanNetworkRpm.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2025-53711?: A vulnerability has been found in TP-Link TL-WR841N v11, TL-WR842ND v2 and TL-WR494N v3. The vulnerability exists in the /userRpm/WlanNetworkRpm.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2025-53711?: CVE-2025-53711 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-2025-53711 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53711?: CVE-2025-53711 affects Tp-link Tl-wr841n Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53711?: 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-2025-53711 have an EU (EUVD) identifier?: Yes. CVE-2025-53711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23012.
When was CVE-2025-53711 published?: CVE-2025-53711 was published on 2025-07-29 and last updated on 2026-06-17.

References

https://www.tp-link.com/us/support/faq/4569/

Affected products (1)

cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*

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