How severe is CVE-2017-2879?

CVE-2017-2879 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-2879 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-2017-2879?

CVE-2017-2879 affects Foscam C1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2879?

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

When was CVE-2017-2879 published?

CVE-2017-2879 was published on 2018-09-19 and last updated on 2026-06-17.

CVE-2017-2879

CVE-2017-2879 is a medium-severity vulnerability in Foscam C1 Firmware with a CVSS 3.x base score of 5.3. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 2.9
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Foscam C1 Firmware
Published: 2018-09-19
Last modified: 2026-06-17

Description

An exploitable buffer overflow vulnerability exists in the UPnP implementation used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. A specially crafted UPnP discovery response can cause a buffer overflow resulting in overwriting arbitrary data. An attacker needs to be in the same subnetwork and reply to a discovery message to trigger this vulnerability.

Frequently asked questions

What is CVE-2017-2879?: An exploitable buffer overflow vulnerability exists in the UPnP implementation used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. A specially crafted UPnP discovery response can cause a buffer overflow resulting in overwriting arbitrary data. An attacker needs to be in the same subnetwork and reply to a discovery message to trigger this vulnerability.
How severe is CVE-2017-2879?: CVE-2017-2879 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-2879 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-2017-2879?: CVE-2017-2879 affects Foscam C1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2879?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2879 published?: CVE-2017-2879 was published on 2018-09-19 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2017-0386

Affected products (1)

cpe:2.3:o:foscam:c1_firmware:2.52.2.43:*:*:*:*:*:*:*

More vulnerabilities in Foscam C1 Firmware

CVE-2017-2877 — Critical (CVSS 9.8): A missing error check exists in the Multi-Camera interface used by the Foscam C1 Indoor HD Camera running application…
CVE-2017-2875 — Critical (CVSS 9.1): An exploitable buffer overflow vulnerability exists in the Multi-Camera interface used by the Foscam C1 Indoor HD…
CVE-2017-2871 — High (CVSS 8.8): Insufficient security checks exist in the recovery procedure used by the Foscam C1 Indoor HD Camera running application…
CVE-2017-2855 — High (CVSS 8.1): An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running…
CVE-2017-2857 — High (CVSS 8.1): An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running…
CVE-2017-2856 — High (CVSS 8.1): An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running…

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