| Summary | On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an {"topicurl":"setting/getSanvas"} POST to the boafrm/formLogin URI, leading to a CAPTCHA bypass. (Also, the CAPTCHA text is not needed once the attacker has determined valid credentials. The attacker can perform router actions via HTTP requests with Basic Authentication.) This affects A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0. |
|---|---|
| Publication Date | Jan. 28, 2020, 2:15 a.m. |
| Registration Date | Jan. 26, 2021, 11:41 a.m. |
| Last Update | Nov. 21, 2024, 1:35 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 |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:a3002ru_firmware:*:*:*:*:*:*:*:* | 2.0.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:a3002ru:-:*:*:*:*:*:*:* | ||||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:a702r_firmware:*:*:*:*:*:*:*:* | 2.1.3 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:a702r:-:*:*:*:*:*:*:* | ||||
| Configuration3 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:n301rt_firmware:*:*:*:*:*:*:*:* | 2.1.6 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:n301rt:-:*:*:*:*:*:*:* | ||||
| Configuration4 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:n302r_firmware:*:*:*:*:*:*:*:* | 3.4.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:n302r:-:*:*:*:*:*:*:* | ||||
| Configuration5 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:n300rt_firmware:*:*:*:*:*:*:*:* | 3.4.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:n300rt:-:*:*:*:*:*:*:* | ||||
| Configuration6 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:n200re_firmware:*:*:*:*:*:*:*:* | 4.0.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:n200re:-:*:*:*:*:*:*:* | ||||
| Configuration7 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:n150rt_firmware:*:*:*:*:*:*:*:* | 3.4.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:n150rt:-:*:*:*:*:*:*:* | ||||
| Configuration8 | or higher | or less | more than | less than | |
| cpe:2.3:o:totolink:n100re_firmware:*:*:*:*:*:*:*:* | 3.4.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:totolink:n100re:-:*:*:*:*:*:*:* | ||||
| Title | 複数の TOTOLINK 製品における認証に関する脆弱性 |
|---|---|
| Summary | 複数の TOTOLINK 製品には、認証に関する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 | Dec. 11, 2019, midnight |
| Registration Date | Feb. 19, 2020, 3:15 p.m. |
| Last Update | Feb. 19, 2020, 3:15 p.m. |
| TOTOLINK |
| A3002RU ファームウェア 2.0.0 まで |
| A702R ファームウェア 2.1.3 まで |
| N100RE ファームウェア 3.4.0 まで |
| N150RT ファームウェア 3.4.0 まで |
| N200RE ファームウェア 4.0.0 まで |
| N300RT ファームウェア 3.4.0 まで |
| N301RT ファームウェア 2.1.6 まで |
| N302R ファームウェア 3.4.0 まで |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2020年02月19日] 掲載 |
Feb. 19, 2020, 3:15 p.m. |