CVE-2025-14738: TP-Link Systems WA850RE · Improper Authentication
Affects TP-Link Systems WA850RESource CVE Database V5
Public exploit available · CVSS 5.7 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 18 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TP-Link Systems Inc. WA850RE | Affected
| Fixed in– |
AI-suggested
- Network Segmentation: Isolate Wi-Fi extenders and IoT devices on separate VLANs or guest networks to limit attacker access to sensitive network segments.
- Access Controls: Restrict local network access to trusted users and devices only, using strong Wi-Fi encryption (WPA3 if available) and robust passwords.
- Monitoring and Logging: Enable detailed logging on network devices and monitor for unusual access patterns or configuration file downloads.
- Firmware Updates: Regularly check for and apply firmware updates from TP-Link once patches for this vulnerability are released.
- Disable Unnecessary Services: If possible, disable or restrict access to the httpd management interface on the extenders.
- Physical Security: Ensure devices are physically secure to prevent direct access.
- Incident Response: Prepare to respond to potential breaches by having network segmentation and credential rotation plans in place.
- Vendor Engagement: Engage with TP-Link support channels for updates and mitigation guidance.
Description
Improper authentication vulnerability in TP-Link WA850RE (httpd modules) allows unauthenticated attackers to download the configuration file.This issue affects: ≤ WA850RE V2_160527, ≤ WA850RE V3_160922.
References
- tp-link.com/us/support/download/tl-wa850re/v2/ (opens in a new tab)
- tp-link.com/us/support/download/tl-wa850re/v3/ (opens in a new tab)
- blog.exodusintel.com/2022/06/23/tp-link-wa850re-unauthenticated-configuration-disclosure-vulnerability/ (opens in a new tab)
- tp-link.com/us/support/faq/4848/ (opens in a new tab)