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01 Record

CVE-2022-26988

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 `MntAte` function. Local users could get remote code execution.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 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 `MntAte` function. Local users could get remote code execution.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.51% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 74.0% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-07-09.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-05-10 14:26Z4 YR AGO
Last updated
2026-07-09 00:18Z3 MO AGO
Reserved
2022-03-14
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.2
Document digest
2308f8e21cf6454a9048b9b90e5da9df589003cf6b5ca0eb162730adfe2504ac

05 Affected products

VendorProductVersionsPlatforms
fastcomfac1900rNot specified—
fastcomfac1900r_firmwareNot specified—
mercusysmercury_d196gNot specified—
mercusysmercury_d196g_firmwareNot specified—
tp-linktl-wdr5660Not specified—
tp-linktl-wdr5660_firmwareNot specified—
tp-linktl-wdr7620Not specified—
tp-linktl-wdr7620_firmwareNot specified—
tp-linktl-wdr7660Not specified—
tp-linktl-wdr7660_firmwareNot specified—
tp-linktl-wdr7661Not specified—
tp-linktl-wdr7661_firmwareNot specified—

06 References