How severe is CVE-2022-40762?

CVE-2022-40762 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-40762 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-2022-40762?

CVE-2022-40762 affects Samsung Mtower. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40762?

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

When was CVE-2022-40762 published?

CVE-2022-40762 was published on 2022-09-16 and last updated on 2026-06-17.

CVE-2022-40762

CVE-2022-40762 is a high-severity vulnerability in Samsung Mtower with a CVSS 3.x base score of 7.5. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Samsung Mtower
Published: 2022-09-16
Last modified: 2026-06-17

Description

A Memory Allocation with Excessive Size Value vulnerablity in the TEE_Realloc function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_Realloc with an excessive number for the parameter len.

Frequently asked questions

What is CVE-2022-40762?: A Memory Allocation with Excessive Size Value vulnerablity in the TEE_Realloc function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_Realloc with an excessive number for the parameter len.
How severe is CVE-2022-40762?: CVE-2022-40762 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-40762 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-2022-40762?: CVE-2022-40762 affects Samsung Mtower. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40762?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40762 published?: CVE-2022-40762 was published on 2022-09-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:samsung:mtower:*:*:*:*:*:*:*:*

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CVE-2022-35858 — High (CVSS 7.8): The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to…
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CVE-2022-40758 — High (CVSS 7.5): A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through…
CVE-2022-40757 — High (CVSS 7.5): A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACComputeFinal function in Samsung mTower through…

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