How severe is CVE-2022-36133?

CVE-2022-36133 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-36133 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36133?

CVE-2022-36133 primarily affects Epson Tm-c3500 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-36133?

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-2022-36133 published?

CVE-2022-36133 was published on 2022-11-25 and last updated on 2026-06-17.

CVE-2022-36133

CVE-2022-36133 is a critical-severity vulnerability in Epson Tm-c3500 Firmware with a CVSS 3.x base score of 9.1. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Epson Tm-c3500 Firmware
Published: 2022-11-25
Last modified: 2026-06-17

Description

The WebConfig functionality of Epson TM-C3500 and TM-C7500 devices with firmware version WAM31500 allows authentication bypass.

Frequently asked questions

What is CVE-2022-36133?: The WebConfig functionality of Epson TM-C3500 and TM-C7500 devices with firmware version WAM31500 allows authentication bypass.
How severe is CVE-2022-36133?: CVE-2022-36133 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-36133 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36133?: CVE-2022-36133 primarily affects Epson Tm-c3500 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-36133?: 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-2022-36133 published?: CVE-2022-36133 was published on 2022-11-25 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:o:epson:tm-c3500_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c3510_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c3520_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c7500_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c7500g_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c7510_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c7510g_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c7520_firmware:wam31500:*:*:*:*:*:*:*
cpe:2.3:o:epson:tm-c7520g_firmware:wam31500:*:*:*:*:*:*:*

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