# Samsung Exynos Modem 5123 vulnerabilities

Source: https://junglewise.ai/threats/technologies/exynos-modem-5123  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/exynos-modem-5123.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Samsung Exynos Modem 5123: 0 in the last 7 days and 1 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2023-37366, was published on 14 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 6 (2 critical, 0 exploited in the wild)

## About Samsung Exynos Modem 5123

Modem firmware for Samsung Exynos 5123 processor enabling cellular network functionality.

## Latest Samsung Exynos Modem 5123 vulnerabilities

- [CVE-2023-37366: Samsung Exynos denial of service in Shannon SM Task](https://junglewise.ai/threats/cve-2023-37366-samsung-exynos-denial-of-service-in-shannon-sm-task) (low, CVSS 2.8, published 14 Sep 2026)
- [CVE-2025-62818: An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100…](https://junglewise.ai/threats/cve-2025-62818-an-issue-was-discovered-in-samsung-mobile-processor-wearable) (critical, CVSS 9.8, published 7 Apr 2026)
- [CVE-2025-54328: Samsung Exynos stack buffer overflow in SMS RP-DATA parsing](https://junglewise.ai/threats/cve-2025-54328-samsung-exynos-stack-buffer-overflow-in-sms-rp-data-parsing) (critical, CVSS 10, published 6 Apr 2026)
- [CVE-2025-54324: Samsung Exynos Modem denial of service in NAS layer](https://junglewise.ai/threats/cve-2025-54324-samsung-exynos-modem-denial-of-service-in-nas-layer) (high, CVSS 7.5, published 6 Apr 2026)
- [CVE-2025-59440: An issue was discovered in USIM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080…](https://junglewise.ai/threats/cve-2025-59440-an-issue-was-discovered-in-usim-in-samsung-mobile-processor) (high, CVSS 7.5, published 6 Apr 2026)
- [CVE-2025-57835: An issue was discovered in RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080…](https://junglewise.ai/threats/cve-2025-57835-an-issue-was-discovered-in-rrc-in-samsung-mobile-processor) (high, CVSS 7.5, published 6 Apr 2026)

## Most severe Samsung Exynos Modem 5123 vulnerabilities

- [CVE-2025-54328: Samsung Exynos stack buffer overflow in SMS RP-DATA parsing](https://junglewise.ai/threats/cve-2025-54328-samsung-exynos-stack-buffer-overflow-in-sms-rp-data-parsing) (critical, CVSS 10, published 6 Apr 2026)
- [CVE-2025-62818: An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100…](https://junglewise.ai/threats/cve-2025-62818-an-issue-was-discovered-in-samsung-mobile-processor-wearable) (critical, CVSS 9.8, published 7 Apr 2026)
- [CVE-2025-54324: Samsung Exynos Modem denial of service in NAS layer](https://junglewise.ai/threats/cve-2025-54324-samsung-exynos-modem-denial-of-service-in-nas-layer) (high, CVSS 7.5, published 6 Apr 2026)
- [CVE-2025-59440: An issue was discovered in USIM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080…](https://junglewise.ai/threats/cve-2025-59440-an-issue-was-discovered-in-usim-in-samsung-mobile-processor) (high, CVSS 7.5, published 6 Apr 2026)
- [CVE-2025-57835: An issue was discovered in RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080…](https://junglewise.ai/threats/cve-2025-57835-an-issue-was-discovered-in-rrc-in-samsung-mobile-processor) (high, CVSS 7.5, published 6 Apr 2026)
- [CVE-2023-37366: Samsung Exynos denial of service in Shannon SM Task](https://junglewise.ai/threats/cve-2023-37366-samsung-exynos-denial-of-service-in-shannon-sm-task) (low, CVSS 2.8, published 14 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Samsung technologies

- [Samsung Exynos 1380](https://junglewise.ai/threats/technologies/exynos-1380): 37 vulnerabilities
- [Samsung Exynos 1480](https://junglewise.ai/threats/technologies/exynos-1480): 37 vulnerabilities
- [Samsung Exynos 1580](https://junglewise.ai/threats/technologies/exynos-1580): 37 vulnerabilities
- [Samsung Exynos 2400](https://junglewise.ai/threats/technologies/exynos-2400): 33 vulnerabilities
- [Samsung Exynos 1330](https://junglewise.ai/threats/technologies/exynos-1330): 30 vulnerabilities
- [Samsung Escargot](https://junglewise.ai/threats/technologies/escargot): 28 vulnerabilities
- [Samsung Exynos 2500](https://junglewise.ai/threats/technologies/exynos-2500): 27 vulnerabilities
- [Samsung Exynos 1280](https://junglewise.ai/threats/technologies/exynos-1280): 25 vulnerabilities
- [Samsung Exynos 2200](https://junglewise.ai/threats/technologies/exynos-2200): 20 vulnerabilities
- [Samsung Exynos W920](https://junglewise.ai/threats/technologies/exynos-w920): 19 vulnerabilities
- [Samsung Exynos 850](https://junglewise.ai/threats/technologies/exynos-850): 18 vulnerabilities
- [Samsung Exynos W930](https://junglewise.ai/threats/technologies/exynos-w930): 18 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Samsung Exynos Modem 5123 vulnerabilities", https://junglewise.ai/threats/technologies/exynos-modem-5123, 10 November 2026.