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Vulnerability record · CVE-2022-25073 · published 24 February 2022

CVE-2022-25073: Tp-link tl-wr841n firmware out-of-bounds write vulnerability

Tp Link · Tl Wr841n Firmware

TL-WR841Nv14_US_0.9.1_4.18 routers were discovered to contain a stack overflow in the function dm_fillObjByStr(). This vulnerability allows unauthenticated attackers to execute arbitrary code.

9.8 CVSS 3.1 Critical EPSS 13% · top 3.8% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 10.0
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

TL-WR841Nv14_US_0.9.1_4.18 routers were discovered to contain a stack overflow in the function dm_fillObjByStr(). This vulnerability allows unauthenticated attackers to execute arbitrary code.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/EPhaha/IOT_vuln/tree/main/TP-Link/TL-WR841N ExploitThird Party Advisory
https://github.com/EPhaha/IOT_vuln/tree/main/TP-Link/TL-WR841N ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2023-33538TP-Link router web interface command injection in WlanNetworkRpmTP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 contain a command injection flaw in the /userRpm/WlanNetworkRpm component of the route…KEVEPSS 42%analysed8.6CVE-2025-9377TP-Link Archer C7 and TL-WR841N Parental Control OS Command InjectionAn OS command injection flaw (CWE-78) exists in the Parental Control page of TP-Link Archer C7(EU) V2 and TL-WR841N/ND(MS) V9 routers, allowing an au…KEVEPSS 34%analysed7.5CVE-2015-3035TP-Link router directory traversal allows unauthenticated file readA path traversal flaw in the web interface of multiple TP-Link Archer and TL-WR/WDR router models lets a remote attacker read arbitrary files by plac…KEVEPSS 84%analysed6.5CVE-2023-50224TP-Link router httpd authentication bypass exposes stored credentialsThe httpd service on affected TP-Link router firmware contains an improper authentication flaw (CWE-290) that lets a network-adjacent attacker bypass…KEVEPSS 16%analysed9.8CVE-2022-0162Tp-link tl-wr841n firmware cleartext transmission vulnerabilityThe vulnerability exists in TP-Link TL-WR841N V11 3.16.9 Build 160325 Rel.62500n wireless router due to transmission of authentication information in…EPSS 0.67%9.8CVE-2018-12575Tp-link tl-wr841n firmware improper authentication vulnerabilityOn TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 171019 Rel.55346n devices, all actions in the web interface are affected by bypass of auth…EPSS 2.9%9.8CVE-2018-11714TP-Link router CGI session handling bypass allows unauthenticated actionsTP-Link TL-WR840N v5 and TL-WR841N v13 routers mishandle sessions on the /cgi/ path. Sending a Referer header of http://192.168.0.1/mainFrame.htm cau…EPSS 68%analysed8.8CVE-2023-39471Tp-link tl-wr841n firmware os command injection vulnerabilityTP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbi…EPSS 0.91%

Source: NIST National Vulnerability Database (record CVE-2022-25073), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.