Review reviewHigh

CVE-2022-26987

tl-wdr7660 firmware, tl-wdr7660

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
7.8
EPSS
1.41%
70.0% percentile
CISA KEV
Not listed
Published
2022.05.11
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.41%
Technical severityCVSS 7.8

Vulnerability overview

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.

Affected product and versions

Product
tl-wdr7660 firmware, tl-wdr7660
Affected versions
2.0.30, 20200109 2.0.4, 20190827 2.0.2
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that tl-wdr7660 firmware, tl-wdr7660 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-787
CVE-2022-26987 — tl-wdr7660 firmware, tl-wdr7660 | SECUFOCUS NOW