How severe is CVE-2018-11542?

CVE-2018-11542 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11542 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11542?

CVE-2018-11542 primarily affects Ribboncommunications Sonus Sbc 1000 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11542?

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

When was CVE-2018-11542 published?

CVE-2018-11542 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2018-11542

CVE-2018-11542 is a critical-severity vulnerability in Ribboncommunications Sonus Sbc 1000 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ribboncommunications Sonus Sbc 1000 Firmware
Published: 2018-07-09
Last modified: 2026-06-17

Description

A Remote Command Execution (RCE) vulnerability in the Sonus SBC 1000 / SBC 2000 / SBC SWe Lite web interface allows for the execution of arbitrary commands via an unspecified vector. It affects the 1000 and 2000 devices 6.0.x up to Build 446, 6.1.x up to Build 492, and 7.0.x up to Build 485. It affects the SWe Lite devices 6.1.x up to Build 111 and 7.0.x up to Build 140.

Frequently asked questions

What is CVE-2018-11542?: A Remote Command Execution (RCE) vulnerability in the Sonus SBC 1000 / SBC 2000 / SBC SWe Lite web interface allows for the execution of arbitrary commands via an unspecified vector. It affects the 1000 and 2000 devices 6.0.x up to Build 446, 6.1.x up to Build 492, and 7.0.x up to Build 485. It affects the SWe Lite devices 6.1.x up to Build 111 and 7.0.x up to Build 140.
How severe is CVE-2018-11542?: CVE-2018-11542 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11542 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11542?: CVE-2018-11542 primarily affects Ribboncommunications Sonus Sbc 1000 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11542?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-11542 published?: CVE-2018-11542 was published on 2018-07-09 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:o:ribboncommunications:sonus_sbc_1000_firmware:6.0.0:*:*:*:*:*:*:*
cpe:2.3:o:ribboncommunications:sonus_sbc_1000_firmware:6.1.0:*:*:*:*:*:*:*
cpe:2.3:o:ribboncommunications:sonus_sbc_1000_firmware:7.0.0:*:*:*:*:*:*:*
cpe:2.3:o:ribboncommunications:sonus_sbc_2000_firmware:6.0.0:*:*:*:*:*:*:*
cpe:2.3:o:ribboncommunications:sonus_sbc_2000_firmware:6.1.0:*:*:*:*:*:*:*
cpe:2.3:o:ribboncommunications:sonus_sbc_2000_firmware:7.0.0:*:*:*:*:*:*:*
cpe:2.3:o:ribboncommunications:sbc_swe_lite_firmware:6.1.0:*:*:*:*:*:*:*
cpe:2.3:o:ribboncommunications:sbc_swe_lite_firmware:7.0.0:*:*:*:*:*:*:*

More vulnerabilities in Ribboncommunications Sonus Sbc 1000 Firmware

CVE-2018-11541 — Critical (CVSS 9.8): A root privilege escalation vulnerability in the Sonus SBC 1000 / SBC 2000 / SBC SWe Lite web interface allows…
CVE-2018-11543 — High (CVSS 7.5): A Local File Inclusion (LFI) vulnerability in the Sonus SBC 1000 / SBC 2000 / SBC SWe Lite web interface allows for the…

All CVEs affecting Ribboncommunications Sonus Sbc 1000 Firmware →