Published:2023/03/17 Last Updated:2023/03/17
JVN#62420378
TP-Link T2600G-28SQ uses vulnerable SSH host keys
Overview
T2600G-28SQ provided by TP-Link uses vulnerable SSH host keys.
Products Affected
- T2600G-28SQ firmware versions prior to "T2600G-28SQ(UN)_V1_1.0.6 Build 20230227"
Description
TP-Link layer-2 switch T2600G-28SQ uses vulnerable SSH host keys (CWE-1391).
Impact
The credential information for an affected device may be obtained when the administrator is tricked to login to a device which spoofs the affected device.
Solution
Update the Firmware
Update the firmware to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| TP-Link Corporation Limited | Download for T2600G-28SQ | TP-Link |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score:
5.3
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:A/AC:H/Au:N/C:C/I:N/A:N
Base Score:
4.6
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Comment
Confidentiality Impact is evaluated as High (H) / Complete (C) as the administrator's credential information is breached.
Credit
Kuniyuki Hasegawa of VeriServe Corporation reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2023-28368 |
| JVN iPedia |
JVNDB-2023-000025 |