How severe is CVE-2019-15258?

CVE-2019-15258 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-15258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15258?

CVE-2019-15258 primarily affects Cisco Spa112 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15258?

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

When was CVE-2019-15258 published?

CVE-2019-15258 was published on 2019-10-16 and last updated on 2026-06-17.

CVE-2019-15258

CVE-2019-15258 is a medium-severity vulnerability in Cisco Spa112 Firmware with a CVSS 3.x base score of 6.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.8
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Cisco Spa112 Firmware
Published: 2019-10-16
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper validation of user-supplied requests to the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the device to stop responding, requiring manual intervention for recovery.

Frequently asked questions

What is CVE-2019-15258?: A vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper validation of user-supplied requests to the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the device to stop responding, requiring manual intervention for recovery.
How severe is CVE-2019-15258?: CVE-2019-15258 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-15258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15258?: CVE-2019-15258 primarily affects Cisco Spa112 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15258 published?: CVE-2019-15258 was published on 2019-10-16 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:cisco:spa112_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:spa112_firmware:1.4.1:-:*:*:*:*:*:*
cpe:2.3:o:cisco:spa112_firmware:1.4.1:sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:spa112_firmware:1.4.1:sr2:*:*:*:*:*:*
cpe:2.3:o:cisco:spa112_firmware:1.4.1:sr3:*:*:*:*:*:*
cpe:2.3:o:cisco:spa122_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:spa122_firmware:1.4.1:-:*:*:*:*:*:*
cpe:2.3:o:cisco:spa122_firmware:1.4.1:sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:spa122_firmware:1.4.1:sr2:*:*:*:*:*:*
cpe:2.3:o:cisco:spa122_firmware:1.4.1:sr3:*:*:*:*:*:*

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CVE-2019-15248 — High (CVSS 8.0): Multiple vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, adjacent…

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Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
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