CVE-2023-43138 — HIGH (8.8)

Vulnerability Description

TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n has a command injection vulnerability, when an attacker adds NAPT rules after authentication, and the rule name has an injection point.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Er5120G Firmware	2.0.0
Tp-Link	Tl-Er5120G	4.0

Related Weaknesses (CWE)

CWE-77

References

https://github.com/7R4C4R/CVE/blob/main/TPLINK-TL-ER5120G/command%20injection/02ExploitThird Party Advisory
https://github.com/7R4C4R/CVE/blob/main/TPLINK-TL-ER5120G/command%20injection/02ExploitThird Party Advisory

FAQ

What is CVE-2023-43138?

CVE-2023-43138 is a vulnerability with a CVSS score of 8.8 (HIGH). TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n has a command injection vulnerability, when an attacker adds NAPT rules after authentication, and the rule name has an injection point.

How severe is CVE-2023-43138?

CVE-2023-43138 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-43138?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Er5120G Firmware, Tp-Link Tl-Er5120G.