CVE-2023-42765: An attacker with access to the vulnerable software could introduce arbitrary JavaScript by injecting
CVE-2023-42765 is a medium-severity flaw (CVSS 5.4) affecting l206-f2g firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An attacker with access to the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the "username" parameter in the SNMP configuration.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2024-02-06 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-42765?
l206-f2g firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-42765 being exploited?
CVE-2023-42765 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-42765 affect?
CVE-2023-42765 affects l206-f2g firmware. Severity is medium (CVSS 5.4). An attacker with access to the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the "username" parameter in the SNMP configuration.
How urgent is CVE-2023-42765?
Priority 24/100. No elevated risk signals yet.
Related CVEs
- CVE-2023-45735 HIGH 8.0 MITIGATE A potential attacker with access to the Westermo Lynx device may be able to execute malicious code that c
- CVE-2023-45227 MEDIUM 5.4 MITIGATE An attacker with access to the web application with vulnerable software could introduce arbitra
- CVE-2023-45222 MEDIUM 5.4 MITIGATE An attacker with access to the web application that has the vulnerable software could introduce arbitrary J
- CVE-2023-45213 MEDIUM 6.6 MITIGATE A potential attacker with access to the Westermo Lynx device would be able to execute malicious code th
- CVE-2023-40544 MEDIUM 5.7 MITIGATE An attacker with access to the network where the affected devices are located could maliciously act