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VulnerabilityPublished Updated

CVE-2023-36498: Tp-Link ER7206 Omada Gigabit VPN Router · OS Command Injection

Affects Tp-Link ER7206 Omada Gigabit VPN RouterSource CVE Database V5

0

Not known to be exploited · CVSS 7.2 High.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
3.4% chance of exploitation in 30 days – higher than 88% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Feb 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 26 Oct 2026.

What to do

AI-suggested

1. Immediately inventory all Tp-Link ER7206 Omada Gigabit VPN Routers in use and verify firmware versions. 2. Monitor Tp-Link official channels for firmware updates addressing CVE-2023-36498 and apply patches promptly once available. 3. Restrict administrative interface access to trusted IP addresses or VPNs to reduce exposure. 4. Enforce strong authentication mechanisms and rotate credentials regularly to minimize risk from compromised accounts. 5. Disable the PPTP client functionality if not required, as this is the vulnerable component. 6. Implement network segmentation to isolate management interfaces from general user networks. 7. Employ intrusion detection systems to monitor for unusual HTTP requests or command injection patterns targeting router management interfaces. 8. Conduct regular security audits and penetration testing focused on network infrastructure devices. 9. Educate network administrators about the risks of command injection and the importance of secure configuration. 10. Prepare incident response plans to quickly contain and remediate any exploitation attempts.

Description

A post-authentication command injection vulnerability exists in the PPTP client functionality of Tp-Link ER7206 Omada Gigabit VPN Router 1.3.0 build 20230322 Rel.70591. A specially crafted HTTP request can lead to arbitrary command injection. An attacker can make an authenticated HTTP request to trigger this vulnerability and gain access to an unrestricted shell.

References

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