How severe is CVE-2022-42785?

CVE-2022-42785 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42785 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42785?

CVE-2022-42785 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-2022-42785?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-42785 published?

CVE-2022-42785 was published on 2022-11-15 and last updated on 2026-06-17.

CVE-2022-42785

CVE-2022-42785 is a critical-severity vulnerability in Wut At-modem-emulator Firmware with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Wut At-modem-emulator Firmware
Published: 2022-11-15
Last modified: 2026-06-17

Description

Multiple W&T products of the ComServer Series are prone to an authentication bypass. An unathenticated remote attacker, can log in without knowledge of the password by crafting a modified HTTP GET Request.

Frequently asked questions

What is CVE-2022-42785?: Multiple W&T products of the ComServer Series are prone to an authentication bypass. An unathenticated remote attacker, can log in without knowledge of the password by crafting a modified HTTP GET Request.
How severe is CVE-2022-42785?: CVE-2022-42785 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42785 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42785?: CVE-2022-42785 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-2022-42785?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-42785 published?: CVE-2022-42785 was published on 2022-11-15 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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CVE-2022-42787 — High (CVSS 8.8): Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. After login of an…
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