CVE-2025-53714Network attack vector

Web-service crash via unvalidated site-survey parameter

Published Jul 29, 2025 · Updated Jul 29, 2025

Buffer overflow in the TL-WR841N V11 web interface through firmware 160325 allows remote authenticated users to crash its HTTP service. The /userRpm/WzdWlanSiteSurveyRpm_AP.htm handler processes an unvalidated parameter beyond the destination buffer's bounds. Administrative access is required, and a reboot restores the web service; no confidentiality or integrity impact is reported.

CVSS severity6.9
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in the TL-WR841N V11 web interface through firmware 160325 allows remote authenticated users to crash its HTTP service. The /userRpm/WzdWlanSiteSurveyRpm_AP.htm handler processes an unvalidated parameter beyond the destination buffer's bounds. Administrative access is required, and a reboot restores the web service; no confidentiality or integrity impact is reported.

The record

CVE
CVE-2025-53714
Published
Jul 29, 2025
Updated
Jul 29, 2025
Vendor
TP-Link Systems Inc.
Product
TL-WR841N
Classifications
CWE-119, T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=160325

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

TP-Link Systems Inc. · TL-WR841Nversion=0 <=160325

Published CVSS scores

6.9TP-Link Systems Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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