How severe is CVE-2022-42786?

CVE-2022-42786 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-42786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42786?

CVE-2022-42786 primarily affects Wut At-modem-emulator Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-42786?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-42786 published?

CVE-2022-42786 was published on 2022-11-10 and last updated on 2026-06-17.

CVE-2022-42786

CVE-2022-42786 is a medium-severity vulnerability in Wut At-modem-emulator Firmware with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wut At-modem-emulator Firmware
Published: 2022-11-10
Last modified: 2026-06-17

Description

Multiple W&T Products of the ComServer Series are prone to an XSS attack. An authenticated remote Attacker can execute arbitrary web scripts or HTML via a crafted payload injected into the title of the configuration webpage

Frequently asked questions

What is CVE-2022-42786?: Multiple W&T Products of the ComServer Series are prone to an XSS attack. An authenticated remote Attacker can execute arbitrary web scripts or HTML via a crafted payload injected into the title of the configuration webpage
How severe is CVE-2022-42786?: CVE-2022-42786 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-42786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42786?: CVE-2022-42786 primarily affects Wut At-modem-emulator Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-42786?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-42786 published?: CVE-2022-42786 was published on 2022-11-10 and last updated on 2026-06-17.

References

https://cert.vde.com/de/advisories/VDE-2022-043/

Affected products (17)

cpe:2.3:o:wut:at-modem-emulator_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_\+\+_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_20ma_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_100basefx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_100baselx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_19\"_1port_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_19\"_4port_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_compact_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_industry_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_isolated_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_oem_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_office_1port_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_office_4port_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_poe_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_lc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_ul_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wut:com-server_highspeed_poe_3x_isolated_firmware:*:*:*:*:*:*:*:*

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