CVE-2022-26987 — HIGH (7.8)

Vulnerability Description

TP-Link TL-WDR7660 2.0.30, Mercury D196G 20200109_2.0.4, and Fast FAC1900R 20190827_2.0.2 routers have a stack overflow issue in `MmtAtePrase` function. Local users could get remote code execution.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

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-Wdr7660 Firmware	2.0.30
Tp-Link	Tl-Wdr7660	-
Tp-Link	Tl-Wdr7661 Firmware	-
Tp-Link	Tl-Wdr7661	-
Tp-Link	Tl-Wdr7620 Firmware	-
Tp-Link	Tl-Wdr7620	-
Tp-Link	Tl-Wdr5660 Firmware	-
Tp-Link	Tl-Wdr5660	-
Mercusys	Mercury D196G Firmware	20200109_2.0.4
Mercusys	Mercury D196G	-
Fastcom	Fac1900R Firmware	20190827_2.0.2
Fastcom	Fac1900R	-

Related Weaknesses (CWE)

CWE-787

References

http://tp-link.comVendor Advisory
https://drive.google.com/file/d/1SnNoqRlJiBD673UROLwdgg_roMOneVR9/view?usp=shariExploitThird Party Advisory
https://github.com/GANGE666Third Party Advisory
http://tp-link.comVendor Advisory
https://drive.google.com/file/d/1SnNoqRlJiBD673UROLwdgg_roMOneVR9/view?usp=shariExploitThird Party Advisory
https://github.com/GANGE666Third Party Advisory

FAQ

What is CVE-2022-26987?

CVE-2022-26987 is a vulnerability with a CVSS score of 7.8 (HIGH). TP-Link TL-WDR7660 2.0.30, Mercury D196G 20200109_2.0.4, and Fast FAC1900R 20190827_2.0.2 routers have a stack overflow issue in `MmtAtePrase` function. Local users could get remote code execution.

How severe is CVE-2022-26987?

CVE-2022-26987 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-26987?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wdr7660 Firmware, Tp-Link Tl-Wdr7660, Tp-Link Tl-Wdr7661 Firmware, Tp-Link Tl-Wdr7661, Tp-Link Tl-Wdr7620 Firmware.