How severe is CVE-2026-27755?

CVE-2026-27755 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-2026-27755 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27755?

CVE-2026-27755 affects Sodola-network Sl902-swtgw124as Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27755?

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.

Does CVE-2026-27755 have an EU (EUVD) identifier?

Yes. CVE-2026-27755 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9045.

When was CVE-2026-27755 published?

CVE-2026-27755 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-27755

CVE-2026-27755 is a critical-severity vulnerability in Sodola-network Sl902-swtgw124as 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. The underlying weakness is classified as CWE-330.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9045
Weakness: CWE-330
Affected product: Sodola-network Sl902-swtgw124as Firmware
Published: 2026-02-27
Last modified: 2026-06-17

Description

SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain a weak session identifier generation vulnerability that allows attackers to forge authenticated sessions by computing predictable MD5-based cookies. Attackers who know or guess valid credentials can calculate the session identifier offline and bypass authentication without completing the login flow, gaining unauthorized access to the device.

Frequently asked questions

What is CVE-2026-27755?: SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain a weak session identifier generation vulnerability that allows attackers to forge authenticated sessions by computing predictable MD5-based cookies. Attackers who know or guess valid credentials can calculate the session identifier offline and bypass authentication without completing the login flow, gaining unauthorized access to the device.
How severe is CVE-2026-27755?: CVE-2026-27755 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-2026-27755 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27755?: CVE-2026-27755 affects Sodola-network Sl902-swtgw124as Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27755?: 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.
Does CVE-2026-27755 have an EU (EUVD) identifier?: Yes. CVE-2026-27755 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9045.
When was CVE-2026-27755 published?: CVE-2026-27755 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sodola-network:sl902-swtgw124as_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Sodola-network Sl902-swtgw124as Firmware

CVE-2026-27751 — Critical (CVSS 9.8): SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain a default credentials vulnerability that allows…
CVE-2026-27757 — High (CVSS 7.1): SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain an authentication vulnerability that allows…
CVE-2026-27754 — Medium (CVSS 6.5): SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 use the cryptographically broken MD5 hash function for…
CVE-2026-27753 — Medium (CVSS 6.5): SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain an authentication bypass vulnerability that allows…
CVE-2026-27756 — Medium (CVSS 6.1): SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain a reflected cross-site scripting vulnerability in…
CVE-2026-27752 — Medium (CVSS 5.9): SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 transmit authentication credentials over unencrypted HTTP,…

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