Vulnerability · Published Apr 9, 2024 · Assigned by CERTVDE
CVE-2023-1083Welotec: improper access control in TK500v1 router series
Critical 9.8
In plain English
A critical-severity missing authentication in TK515L from Welotec. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 47.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated remote attacker who is aware of a MQTT topic name can send and receive messages, including GET/SET configuration commands, reboot commands and firmware updates.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Welotec | TK515L | 0 – before v2.3.0.r5542 |
| Welotec | TK515L Set | 0 – before v2.3.0.r5542 |
| Welotec | TK515L-W | 0 – before v2.3.0.r5542 |
| Welotec | TK515L-W Set | 0 – before v2.3.0.r5542 |
| Welotec | TK525L | 0 – before v2.3.0.r5542 |
| Welotec | TK525L Set | 0 – before v2.3.0.r5542 |
| Welotec | TK525L-W | 0 – before v2.3.0.r5542 |
| Welotec | TK525L-W Set | 0 – before v2.3.0.r5542 |
| Welotec | TK525U | 0 – before v2.3.0.r5542 |
| Welotec | TK525U Set | 0 – before v2.3.0.r5542 |
| Welotec | TK525W | 0 – before v2.3.0.r5542 |
| Welotec | TK525W Set | 0 – before v2.3.0.r5542 |
| Welotec | TK535L1 | 0 – before v2.3.0.r5542 |
| Welotec | TK535L1 Set | 0 – before v2.3.0.r5542 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H