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CVE-2026-25072: Seekswan Zikestor Sks8310-8x Firmware Security Vulnerability (CVSS 8.6)

CVE-2026-25072 is a high severity security vulnerability in Seekswan Zikestor Sks8310-8x Firmware with a CVSS score of 8.6. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Last updated: Jun 17, 2026

Quick answer

Direct answer

CVE-2026-25072 is a high severity security vulnerability in Seekswan Zikestor Sks8310-8x Firmware with a CVSS score of 8.6. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Risk scores

CVSS base score
8.6HIGH
EPSS probability
0.50%
Higher than 42 percent of all CVEs
CISA KEV
Not listed
CVSS metricWhat it means
Attack vector (AV:N)Network: reachable remotely
Attack complexity (AC:L)Low complexity
Attack requirements (AT:N)No attack requirements
Privileges required (PR:N)No privileges required
User interaction (UI:P)Passive user interaction
Confidentiality (VC:H)High confidentiality impact
Integrity (VI:H)High integrity impact
Availability (VA:N)No availability impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

About Seekswan Zikestor Sks8310-8x Firmware

CVE-2026-25072 affects Seekswan Zikestor Sks8310-8x Firmware, a product from Seekswan. Before acting, confirm where Seekswan Zikestor Sks8310-8x Firmware runs in your estate, who owns it and whether it is reachable from the internet, because exposure decides real risk more than the score alone.

What the flaw is

In plain terms: XikeStor SKS8310-8X Network Switch firmware versions 1.04.B07 and prior contain a predictable session identifier vulnerability in the /goform/SetLogin endpoint that allows remote attackers to hijack authenticated sessions. Attackers can predict session identifiers using insufficiently random cookie values and exploit exposed session parameters in URLs to gain unauthorized access to authenticated user sessions.

Based on its CVSS vector, the flaw can be reached over the network, needs no login, and relies on a user taking an action. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Affected versions and timeline

FieldDetail
ProductSeekswan Zikestor Sks8310-8x Firmware
Affected versionsZikestor Sks8310-8x Firmware up to and including 1.04.b07
PublishedMar 7, 2026
Last modifiedJun 17, 2026
Added to CISA KEVNot listed
Assigning CNAdisclosure@vulncheck.com

How to detect it

  • Inventory every instance of Seekswan Zikestor Sks8310-8x Firmware and record the running version against the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Review logs on affected systems for unusual requests, errors or new processes around the vulnerable function.
  • Confirm with an authenticated vulnerability scan once your scanner has a check for this CVE.

How to fix it

  • Apply the fixed version of Seekswan Zikestor Sks8310-8x Firmware named in the vendor advisory.
  • If patching must wait, restrict network access to the affected service and put it behind authentication or a web application firewall rule.
  • Rescan after the change to prove the exposure is gone, then close the ticket.

CTEM action plan

CTEM stageWhat to do for this CVE
ScopeAdd every business service that depends on Seekswan Zikestor Sks8310-8x Firmware to the current CTEM cycle.
DiscoverFind all instances, including shadow and cloud deployments, and record versions and exposure.
PrioritizeRank using EPSS and CVSS together with asset exposure and business impact.
ValidateConfirm the flaw is reachable and exploitable in your environment and that compensating controls work.
MobilizeAssign the fix to the asset owner with a due date matched to the priority, then verify closure.

CWE References

Technical References

Frequently asked questions

CVE-2026-25072 is a high severity security vulnerability in Seekswan Zikestor Sks8310-8x Firmware with a CVSS score of 8.6. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Related CVEs

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XikeStor SKS8310-8X Network Switch firmware versions 1.04.B07 and prior contain a missing authentication vulnerability in the /switch_config.src endpoint that allows unauthenticated remote attackers to download device configuration files. Attackers can access this endpoint without credentials to retrieve sensitive configuration information including VLAN settings and IP addressing details.

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AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 uses a cryptographically weak pseudo-random number generator when creating account activation / login pairing codes. getRandomCode() in objects/functions.php derives the code entirely from uniqid() (sprintf('%08x%05x', seconds, microseconds)) with a single non-CSPRNG rand() character used only as padding, reducing the code space to roughly 36 x 10^6 (~2^25) values for a known generation second. Because plugin/API/set.json.php?APIName=login_code can be called without authentication, it also serves as an oracle for the server's exact microtime. An unauthenticated remote attacker who guesses a valid, unexpired code (codes expire after 10 minutes) can redeem it at plugin/API/get.json.php?APIName=login_code to obtain the target account's email address and a User::getUserHash(users_id, '+1 year') value, a credential accepted in place of the account password for one year, resulting in account takeover. No patched version is available.

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FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: `md5(APP_KEY + attachment_id + size)`. Since attachment_id is sequential and size can be brute-forced in a small range, an unauthenticated attacker can forge valid tokens and download any private attachment without credentials. Version 1.8.213 fixes the issue.

Apr 21, 2026
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