synced 8 MIN AGO
01 Record

CVE-2020-28877

Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620,

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620,

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
1.19% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 67.8% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
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
2020-11-20 15:48Z5 YR AGO
Last updated
2024-08-04 16:41Z2 YR AGO
Reserved
2020-11-16
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
b2c577455066fed3c4ec680eb75e9cd11e9e7cf162568f2bf5d5b234e25af1e0

05 Affected products

VendorProductVersionsPlatforms
tp-linkwdr7400Not specified—
tp-linkwdr7400_firmwareNot specified—
tp-linkwdr7500Not specified—
tp-linkwdr7500_firmwareNot specified—
tp-linkwdr7660Not specified—
tp-linkwdr7660_firmwareNot specified—
tp-linkwdr7800Not specified—
tp-linkwdr7800_firmwareNot specified—
tp-linkwdr8400Not specified—
tp-linkwdr8400_firmwareNot specified—
tp-linkwdr8500Not specified—
tp-linkwdr8500_firmwareNot specified—
tp-linkwdr8600Not specified—
tp-linkwdr8600_firmwareNot specified—
tp-linkwdr8620Not specified—
tp-linkwdr8620_firmwareNot specified—
tp-linkwdr8640Not specified—
tp-linkwdr8640_firmwareNot specified—
tp-linkwdr8660Not specified—
tp-linkwdr8660_firmwareNot specified—
tp-linkwr708nNot specified—
tp-linkwr708n_firmwareNot specified—
tp-linkwr880nNot specified—
tp-linkwr880n_firmwareNot specified—
tp-linkwr882nNot specified—
tp-linkwr882n_firmwareNot specified—
tp-linkwr886nNot specified—
tp-linkwr886n_firmwareNot specified—
tp-linkwr890nNot specified—
tp-linkwr890n_firmwareNot specified—

06 References