How severe is CVE-2022-40505?

CVE-2022-40505 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2022-40505 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40505?

CVE-2022-40505 primarily affects Qualcomm 9205 Lte Modem Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40505?

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-2022-40505 published?

CVE-2022-40505 was published on 2023-05-02 and last updated on 2026-06-17.

CVE-2022-40505

CVE-2022-40505 is a high-severity vulnerability in Qualcomm 9205 Lte Modem Firmware with a CVSS 3.x base score of 8.2. 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-125.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Qualcomm 9205 Lte Modem Firmware
Published: 2023-05-02
Last modified: 2026-06-17

Description

Information disclosure due to buffer over-read in Modem while parsing DNS hostname.

Frequently asked questions

What is CVE-2022-40505?: Information disclosure due to buffer over-read in Modem while parsing DNS hostname.
How severe is CVE-2022-40505?: CVE-2022-40505 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2022-40505 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40505?: CVE-2022-40505 primarily affects Qualcomm 9205 Lte Modem Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40505?: 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-2022-40505 published?: CVE-2022-40505 was published on 2023-05-02 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/may-2023-bulletin

Affected products (13)

cpe:2.3:o:qualcomm:9205_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:9206_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:9207_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm8207_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4004_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qts110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_1100_wearable_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_1200_wearable_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1300_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x5_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9306_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9330_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm 9205 Lte Modem Firmware

CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
CVE-2023-33072 — Critical (CVSS 9.3): Memory corruption in Core while processing control functions.
CVE-2023-33032 — Critical (CVSS 9.3): Memory corruption in TZ Secure OS while requesting a memory allocation from TA region.
CVE-2023-33030 — Critical (CVSS 9.3): Memory corruption in HLOS while running playready use-case.
CVE-2023-43551 — Critical (CVSS 9.1): Cryptographic issue while performing attach with a LTE network, a rogue base station can skip the authentication phase…
CVE-2024-33056 — High (CVSS 8.4): Memory corruption when allocating and accessing an entry in an SMEM partition continuously.

All CVEs affecting Qualcomm 9205 Lte Modem Firmware →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →