Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2024-28957: Generation of predictable identifiers issue exists in Cente middleware TCP/IP Network Series

37
Routine
MEDIUM 5.3REMOTEUPGRADEUPGRADEUPGRADE

CVE-2024-28957 is a medium-severity flaw (CVSS 5.3) affecting cente ipv6, cente ipv6 snmpv2, cente ipv6 snmpv3. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Generation of predictable identifiers issue exists in Cente middleware TCP/IP Network Series. If this vulnerability is exploited, a remote unauthenticated attacker may interfere communications by predicting some packet header IDs of the device.

Why this priority

  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.8% (top 45%)
CISA exploited listNo
WeaknessCWE-340
Published2024-04-15
Last modified2026-06-17
Publisher (CNA): JPCERT/CC · Vendor: nxtech

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

nxtech cente ipv6 UPGRADE
Affected: <= 1.51
Fixed in: newer than 1.51
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy cente-ipv6 || rpm -q cente-ipv6 || cente-ipv6 --version
2. UPGRADE to newer than 1.51 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade cente-ipv6
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade cente-ipv6
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
nxtech cente ipv6 snmpv2 UPGRADE
Affected: <= 2.30
Fixed in: newer than 2.30
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy cente-ipv6-snmpv2 || rpm -q cente-ipv6-snmpv2 || cente-ipv6-snmpv2 --version
2. UPGRADE to newer than 2.30 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade cente-ipv6-snmpv2
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade cente-ipv6-snmpv2
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
nxtech cente ipv6 snmpv3 UPGRADE
Affected: <= 2.30
Fixed in: newer than 2.30
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy cente-ipv6-snmpv3 || rpm -q cente-ipv6-snmpv3 || cente-ipv6-snmpv3 --version
2. UPGRADE to newer than 2.30 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade cente-ipv6-snmpv3
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade cente-ipv6-snmpv3
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
nxtech cente tcp\/ipv4 UPGRADE
Affected: <= 1.41
Fixed in: newer than 1.41
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy cente-tcpipv4 || rpm -q cente-tcpipv4 || cente-tcpipv4 --version
2. UPGRADE to newer than 1.41 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade cente-tcpipv4
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade cente-tcpipv4
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
nxtech cente tcp\/ipv4 snmpv2 UPGRADE
Affected: <= 2.30
Fixed in: newer than 2.30
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy cente-tcpipv4-snmpv2 || rpm -q cente-tcpipv4-snmpv2 || cente-tcpipv4-snmpv2 --version
2. UPGRADE to newer than 2.30 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade cente-tcpipv4-snmpv2
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade cente-tcpipv4-snmpv2
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
nxtech cente tcp\/ipv4 snmpv3 UPGRADE
Affected: <= 2.30
Fixed in: newer than 2.30
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy cente-tcpipv4-snmpv3 || rpm -q cente-tcpipv4-snmpv3 || cente-tcpipv4-snmpv3 --version
2. UPGRADE to newer than 2.30 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade cente-tcpipv4-snmpv3
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade cente-tcpipv4-snmpv3
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-28957?

cente ipv6: upgrade to newer than 1.51; cente ipv6 snmpv2: upgrade to newer than 2.30; cente ipv6 snmpv3: upgrade to newer than 2.30. Exact commands for each OS are on this page.

Is CVE-2024-28957 being exploited?

CVE-2024-28957 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-28957 affect?

CVE-2024-28957 affects cente ipv6, cente ipv6 snmpv2, cente ipv6 snmpv3. Severity is medium (CVSS 5.3). Generation of predictable identifiers issue exists in Cente middleware TCP/IP Network Series. If this vulnerability is exploited, a remote unauthenticated attacker may interfere communications by predicting some packet header IDs of the dev

How urgent is CVE-2024-28957?

Priority 37/100. Remotely exploitable, no login, no user action

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.