NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-28877
Summary

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, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.

Publication Date Nov. 21, 2020, 1:15 a.m.
Registration Date Jan. 26, 2021, 11:56 a.m.
Last Update Nov. 21, 2024, 2:23 p.m.
CVSS3.1 : CRITICAL
スコア 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 低
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) 高
完全性への影響(I) 高
可用性への影響(A) 高
CVSS2.0 : HIGH
Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) 低
完全性への影響(I) 低
可用性への影響(A) 低
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:tp-link:wdr7400_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr7400:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:tp-link:wdr7500_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr7500:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:tp-link:wdr7660_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr7660:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:tp-link:wdr7800_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr7800:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:tp-link:wdr8400_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr8400:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:tp-link:wdr8500_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr8500:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:tp-link:wdr8600_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr8600:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:tp-link:wdr8620_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr8620:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:tp-link:wdr8640_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr8640:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:tp-link:wdr8660_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wdr8660:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:tp-link:wr880n_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wr880n:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:tp-link:wr886n_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wr886n:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:tp-link:wr890n_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wr890n:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:tp-link:wr890n_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wr890n:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:tp-link:wr882n_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wr882n:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:tp-link:wr708n_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:tp-link:wr708n:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
複数の TP-Link 製品における古典的バッファオーバーフローの脆弱性
Title 複数の TP-Link 製品における古典的バッファオーバーフローの脆弱性
Summary

複数の TP-Link 製品には、古典的バッファオーバーフローの脆弱性が存在します。

Possible impacts 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date Nov. 15, 2020, midnight
Registration Date July 16, 2021, 10:50 a.m.
Last Update July 16, 2021, 10:50 a.m.
Affected System
TP-LINK Technologies
WDR7400 ファームウェア 
WDR7500 ファームウェア 
WDR7660 ファームウェア 
WDR7800 ファームウェア 
WDR8400 ファームウェア 
WDR8500 ファームウェア 
WDR8600 ファームウェア 
WDR8620 ファームウェア 
WDR8640 ファームウェア 
WDR8660 ファームウェア 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
その他
Change Log
No Changed Details Date of change
1 [2021年07月16日]
  掲載		 July 16, 2021, 10:50 a.m.