TI-2022-10207 Aliases CVE-2022-26987 GHSA-r842-2fxw-4w6q

TP-Link TL-WDR7660 2.0.30, Mercury D196G 20200109_2.0.4, and Fast FAC1900R 20190827_2.0.2…

LOW 37CWE-787Published 2022-05-10 · Updated 2026-07-09

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01515 74th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPE	Versions	Role	Vendor
cpe:2.3:o:tp-link:tl-wdr7660_firmware:2.0.30:::::::*	2.0.30	Vulnerable	TP-Link
cpe:2.3:h:tp-link:tl-wdr7660:-:::::::*	not specified by NVD	Running on	TP-Link
cpe:2.3:o:tp-link:tl-wdr7661_firmware:-:::::::*	not specified by NVD	Vulnerable	TP-Link
cpe:2.3:h:tp-link:tl-wdr7661:-:::::::*	not specified by NVD	Running on	TP-Link
cpe:2.3:o:tp-link:tl-wdr7620_firmware:-:::::::*	not specified by NVD	Vulnerable	TP-Link
cpe:2.3:h:tp-link:tl-wdr7620:-:::::::*	not specified by NVD	Running on	TP-Link
cpe:2.3:o:tp-link:tl-wdr5660_firmware:-:::::::*	not specified by NVD	Vulnerable	TP-Link
cpe:2.3:h:tp-link:tl-wdr5660:-:::::::*	not specified by NVD	Running on	TP-Link
cpe:2.3:o:mercusys:mercury_d196g_firmware:20200109_2.0.4:::::::*	20200109_2.0.4	Vulnerable	Mercusys
cpe:2.3:h:mercusys:mercury_d196g:-:::::::*	not specified by NVD	Running on	Mercusys

cpe:2.3:o:tp-link:tl-wdr7660_firmware:2.0.30:*:*:*:*:*:*:* Versions 2.0.30 Vulnerable ·TP-Link
cpe:2.3:h:tp-link:tl-wdr7660:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
cpe:2.3:o:tp-link:tl-wdr7661_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TP-Link
cpe:2.3:h:tp-link:tl-wdr7661:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
cpe:2.3:o:tp-link:tl-wdr7620_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TP-Link
cpe:2.3:h:tp-link:tl-wdr7620:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
cpe:2.3:o:tp-link:tl-wdr5660_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TP-Link
cpe:2.3:h:tp-link:tl-wdr5660:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
cpe:2.3:o:mercusys:mercury_d196g_firmware:20200109_2.0.4:*:*:*:*:*:*:* Versions 20200109_2.0.4 Vulnerable ·Mercusys
cpe:2.3:h:mercusys:mercury_d196g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mercusys

Show 2 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:fastcom:fac1900r_firmware:20190827_2.0.2:::::::*	20190827_2.0.2	Vulnerable	Fastcom
cpe:2.3:h:fastcom:fac1900r:-:::::::*	not specified by NVD	Running on	Fastcom

cpe:2.3:o:fastcom:fac1900r_firmware:20190827_2.0.2:*:*:*:*:*:*:* Versions 20190827_2.0.2 Vulnerable ·Fastcom
cpe:2.3:h:fastcom:fac1900r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Fastcom

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-26987
2026-10-03 Alias added: GHSA-r842-2fxw-4w6q

References

Exploit 1

https://drive.google.com/file/d/1SnNoqRlJiBD673UROLwdgg_roMOneVR9/view?usp=sharing

Advisory 1

https://github.com/GANGE666

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences