CVE-2024-5227: TP-Link Omada ER605 · OS Command Injection
Affects TP-Link Omada ER605Source CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 23 May 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
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), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
To mitigate CVE-2024-5227, organizations should first verify if their TP-Link Omada ER605 devices are configured to use PPTP VPN with LDAP authentication, as this is a prerequisite for exploitation. If so, immediate steps include disabling PPTP VPN or switching to more secure VPN protocols such as OpenVPN or IPsec, which do not exhibit this vulnerability. Network segmentation should be employed to restrict access to the VPN endpoints to trusted hosts only, reducing the attack surface. Monitoring network traffic for unusual activity targeting the /usr/bin/pppd endpoint can help detect exploitation attempts. Since no official patches are currently available, organizations should engage with TP-Link support for updates or advisories. Additionally, implementing strict input validation and command sanitization at the application level is recommended for future firmware updates. Employing intrusion detection/prevention systems (IDS/IPS) with signatures targeting this vulnerability can provide additional defense layers. Finally, maintaining an inventory of affected devices and applying firmware updates promptly once released is critical to long-term mitigation.
Description
TP-Link Omada ER605 PPTP VPN username Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Omada ER605 routers. Authentication is not required to exploit this vulnerability. However, devices are only vulnerable if configured to use a PPTP VPN with LDAP authentication. The specific flaw exists within the handling of the username parameter provided to the /usr/bin/pppd endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-22446.