How severe is CVE-2022-46143?

CVE-2022-46143 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-46143 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46143?

CVE-2022-46143 primarily affects Siemens Ruggedcom Rm1224 Lte(4g) Eu Firmware. In total, 101 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-46143?

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

When was CVE-2022-46143 published?

CVE-2022-46143 was published on 2022-12-13 and last updated on 2026-06-17.

CVE-2022-46143

CVE-2022-46143 is a low-severity vulnerability in Siemens Ruggedcom Rm1224 Lte(4g) Eu Firmware with a CVSS 3.x base score of 2.7. 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-1284.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
CVSS v4: 5.1
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1284
Affected product: Siemens Ruggedcom Rm1224 Lte(4g) Eu Firmware
Published: 2022-12-13
Last modified: 2026-06-17

Description

Affected devices do not check the TFTP blocksize correctly. This could allow an authenticated attacker to read from an uninitialized buffer that potentially contains previously allocated data.

Frequently asked questions

What is CVE-2022-46143?: Affected devices do not check the TFTP blocksize correctly. This could allow an authenticated attacker to read from an uninitialized buffer that potentially contains previously allocated data.
How severe is CVE-2022-46143?: CVE-2022-46143 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-46143 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46143?: CVE-2022-46143 primarily affects Siemens Ruggedcom Rm1224 Lte(4g) Eu Firmware. In total, 101 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-46143?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-46143 published?: CVE-2022-46143 was published on 2022-12-13 and last updated on 2026-06-17.

References

Affected products (101)

cpe:2.3:o:siemens:ruggedcom_rm1224_lte\(4g\)_eu_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:ruggedcom_rm1224_lte\(4g\)_nam_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m804pb_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m812-1_adsl-router_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m816-1_adsl-router_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m826-2_shdsl-router_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m874-2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m874-3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m876-3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_m876-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_mum853-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_mum856-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_s615_eec_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_sc622-2c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_sc626-2c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_sc632-2c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_sc636-2c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_sc642-2c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_sc646-2c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w721-1_rj45_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w722-1_rj45_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w734-1_rj45_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w738-1_m12_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w748-1_m12_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w761-1_rj45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w774-1_m12_eec_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w774-1_m12_rj45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w774-1_rj45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w778-1_m12_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w778-1_m12_eec_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w786-1_rj45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w786-2_rj45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w786-2_sfp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w786-2ia_rj45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w788-1_m12_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w788-1_rj45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w788-2_m12_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w788-2_m12_eec_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w1748-1_m12_firmware:-:*:*:*:*:*:*:*

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